439 lines
14 KiB
LLVM
439 lines
14 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -indvars -S < %s | FileCheck %s
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define void @ult(i64 %n, i64 %m) {
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; CHECK-LABEL: @ult(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CMP0:%.*]] = icmp ult i64 [[N:%.*]], [[M:%.*]]
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; CHECK-NEXT: br i1 [[CMP0]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
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; CHECK: loop.preheader:
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
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; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], 1
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; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i64 [[IV]], [[N]]
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; CHECK-NEXT: br i1 [[CMP1]], label [[LATCH]], label [[EXIT_LOOPEXIT:%.*]]
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; CHECK: latch:
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; CHECK-NEXT: call void @side_effect()
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; CHECK-NEXT: br i1 true, label [[LOOP]], label [[EXIT_LOOPEXIT]]
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; CHECK: exit.loopexit:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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%cmp0 = icmp ult i64 %n, %m
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br i1 %cmp0, label %loop, label %exit
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loop:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ]
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%iv.next = add i64 %iv, 1
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%cmp1 = icmp ult i64 %iv, %n
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br i1 %cmp1, label %latch, label %exit
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latch:
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call void @side_effect()
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%cmp2 = icmp ult i64 %iv, %m
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br i1 %cmp2, label %loop, label %exit
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exit:
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ret void
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}
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define void @ugt(i64 %n, i64 %m) {
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; CHECK-LABEL: @ugt(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CMP0:%.*]] = icmp ugt i64 [[N:%.*]], [[M:%.*]]
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; CHECK-NEXT: br i1 [[CMP0]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
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; CHECK: loop.preheader:
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
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; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], 1
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; CHECK-NEXT: br i1 true, label [[LATCH]], label [[EXIT_LOOPEXIT:%.*]]
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; CHECK: latch:
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; CHECK-NEXT: call void @side_effect()
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; CHECK-NEXT: [[CMP2:%.*]] = icmp ult i64 [[IV]], [[M]]
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; CHECK-NEXT: br i1 [[CMP2]], label [[LOOP]], label [[EXIT_LOOPEXIT]]
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; CHECK: exit.loopexit:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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%cmp0 = icmp ugt i64 %n, %m
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br i1 %cmp0, label %loop, label %exit
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loop:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ]
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%iv.next = add i64 %iv, 1
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%cmp1 = icmp ult i64 %iv, %n
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br i1 %cmp1, label %latch, label %exit
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latch:
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call void @side_effect()
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%cmp2 = icmp ult i64 %iv, %m
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br i1 %cmp2, label %loop, label %exit
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exit:
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ret void
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}
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define void @ule(i64 %n, i64 %m) {
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; CHECK-LABEL: @ule(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CMP0:%.*]] = icmp ule i64 [[N:%.*]], [[M:%.*]]
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; CHECK-NEXT: br i1 [[CMP0]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
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; CHECK: loop.preheader:
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
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; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], 1
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; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i64 [[IV]], [[N]]
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; CHECK-NEXT: br i1 [[CMP1]], label [[LATCH]], label [[EXIT_LOOPEXIT:%.*]]
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; CHECK: latch:
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; CHECK-NEXT: call void @side_effect()
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; CHECK-NEXT: [[CMP2:%.*]] = icmp ult i64 [[IV]], [[M]]
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; CHECK-NEXT: br i1 [[CMP2]], label [[LOOP]], label [[EXIT_LOOPEXIT]]
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; CHECK: exit.loopexit:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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%cmp0 = icmp ule i64 %n, %m
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br i1 %cmp0, label %loop, label %exit
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loop:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ]
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%iv.next = add i64 %iv, 1
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%cmp1 = icmp ult i64 %iv, %n
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br i1 %cmp1, label %latch, label %exit
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latch:
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call void @side_effect()
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%cmp2 = icmp ult i64 %iv, %m
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br i1 %cmp2, label %loop, label %exit
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exit:
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ret void
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}
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define void @uge(i64 %n, i64 %m) {
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; CHECK-LABEL: @uge(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CMP0:%.*]] = icmp uge i64 [[N:%.*]], [[M:%.*]]
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; CHECK-NEXT: br i1 [[CMP0]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
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; CHECK: loop.preheader:
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
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; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], 1
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; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i64 [[IV]], [[N]]
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; CHECK-NEXT: br i1 [[CMP1]], label [[LATCH]], label [[EXIT_LOOPEXIT:%.*]]
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; CHECK: latch:
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; CHECK-NEXT: call void @side_effect()
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; CHECK-NEXT: [[CMP2:%.*]] = icmp ult i64 [[IV]], [[M]]
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; CHECK-NEXT: br i1 [[CMP2]], label [[LOOP]], label [[EXIT_LOOPEXIT]]
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; CHECK: exit.loopexit:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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%cmp0 = icmp uge i64 %n, %m
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br i1 %cmp0, label %loop, label %exit
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loop:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ]
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%iv.next = add i64 %iv, 1
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%cmp1 = icmp ult i64 %iv, %n
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br i1 %cmp1, label %latch, label %exit
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latch:
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call void @side_effect()
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%cmp2 = icmp ult i64 %iv, %m
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br i1 %cmp2, label %loop, label %exit
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exit:
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ret void
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}
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define void @ult_const_max(i64 %n) {
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; CHECK-LABEL: @ult_const_max(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CMP0:%.*]] = icmp ult i64 [[N:%.*]], 20
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; CHECK-NEXT: br i1 [[CMP0]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
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; CHECK: loop.preheader:
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
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; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
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; CHECK-NEXT: br i1 true, label [[LATCH]], label [[EXIT_LOOPEXIT:%.*]]
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; CHECK: latch:
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; CHECK-NEXT: call void @side_effect()
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; CHECK-NEXT: [[CMP2:%.*]] = icmp ult i64 [[IV]], [[N]]
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; CHECK-NEXT: br i1 [[CMP2]], label [[LOOP]], label [[EXIT_LOOPEXIT]]
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; CHECK: exit.loopexit:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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%cmp0 = icmp ult i64 %n, 20
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br i1 %cmp0, label %loop, label %exit
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loop:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ]
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%iv.next = add i64 %iv, 1
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%udiv = udiv i64 %iv, 10
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%cmp1 = icmp ult i64 %udiv, 2
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br i1 %cmp1, label %latch, label %exit
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latch:
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call void @side_effect()
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%cmp2 = icmp ult i64 %iv, %n
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br i1 %cmp2, label %loop, label %exit
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exit:
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ret void
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}
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define void @mixed_width(i32 %len) {
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; CHECK-LABEL: @mixed_width(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[LEN_ZEXT:%.*]] = zext i32 [[LEN:%.*]] to i64
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[BACKEDGE:%.*]] ]
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; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
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; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i64 [[IV]], [[LEN_ZEXT]]
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; CHECK-NEXT: br i1 [[CMP1]], label [[BACKEDGE]], label [[EXIT:%.*]]
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; CHECK: backedge:
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; CHECK-NEXT: call void @side_effect()
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; CHECK-NEXT: br i1 true, label [[LOOP]], label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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%len.zext = zext i32 %len to i64
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br label %loop
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loop:
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%iv = phi i64 [0, %entry], [%iv.next, %backedge]
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%iv2 = phi i32 [0, %entry], [%iv2.next, %backedge]
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%iv.next = add i64 %iv, 1
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%iv2.next = add i32 %iv2, 1
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%cmp1 = icmp ult i64 %iv, %len.zext
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br i1 %cmp1, label %backedge, label %exit
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backedge:
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call void @side_effect()
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%cmp2 = icmp ult i32 %iv2, %len
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br i1 %cmp2, label %loop, label %exit
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exit:
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ret void
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}
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define void @many_exits([100 x i64] %len) {
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entry:
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br label %loop
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loop:
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%iv = phi i64 [0, %entry], [%iv.next, %backedge]
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%len0 = extractvalue [100 x i64] %len, 0
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%early0 = icmp eq i64 %iv, %len0
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call void @side_effect()
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br i1 %early0, label %exit, label %cont0
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cont0:
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%len1 = extractvalue [100 x i64] %len, 1
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%early1 = icmp eq i64 %iv, %len1
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call void @side_effect()
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br i1 %early1, label %exit, label %cont1
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cont1:
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%len2 = extractvalue [100 x i64] %len, 2
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%early2 = icmp eq i64 %iv, %len2
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call void @side_effect()
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br i1 %early2, label %exit, label %cont2
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cont2:
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%len3 = extractvalue [100 x i64] %len, 3
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%early3 = icmp eq i64 %iv, %len3
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call void @side_effect()
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br i1 %early3, label %exit, label %cont3
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cont3:
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%len4 = extractvalue [100 x i64] %len, 4
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%early4 = icmp eq i64 %iv, %len4
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call void @side_effect()
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br i1 %early4, label %exit, label %cont4
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cont4:
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%len5 = extractvalue [100 x i64] %len, 5
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%early5 = icmp eq i64 %iv, %len5
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call void @side_effect()
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br i1 %early5, label %exit, label %cont5
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cont5:
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%len6 = extractvalue [100 x i64] %len, 6
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%early6 = icmp eq i64 %iv, %len6
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call void @side_effect()
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br i1 %early6, label %exit, label %cont6
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cont6:
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%len7 = extractvalue [100 x i64] %len, 7
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%early7 = icmp eq i64 %iv, %len7
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call void @side_effect()
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br i1 %early7, label %exit, label %cont7
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cont7:
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%len8 = extractvalue [100 x i64] %len, 8
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%early8 = icmp eq i64 %iv, %len8
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call void @side_effect()
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br i1 %early8, label %exit, label %cont8
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cont8:
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%len9 = extractvalue [100 x i64] %len, 9
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%early9 = icmp eq i64 %iv, %len9
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call void @side_effect()
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br i1 %early9, label %exit, label %cont9
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cont9:
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%len10 = extractvalue [100 x i64] %len, 10
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%early10 = icmp eq i64 %iv, %len10
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call void @side_effect()
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br i1 %early10, label %exit, label %cont10
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cont10:
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%len11 = extractvalue [100 x i64] %len, 11
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%early11 = icmp eq i64 %iv, %len11
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call void @side_effect()
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br i1 %early11, label %exit, label %cont11
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cont11:
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%len12 = extractvalue [100 x i64] %len, 12
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%early12 = icmp eq i64 %iv, %len12
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call void @side_effect()
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br i1 %early12, label %exit, label %cont12
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cont12:
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%len13 = extractvalue [100 x i64] %len, 13
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%early13 = icmp eq i64 %iv, %len13
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call void @side_effect()
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br i1 %early13, label %exit, label %cont13
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cont13:
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%len14 = extractvalue [100 x i64] %len, 14
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%early14 = icmp eq i64 %iv, %len14
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call void @side_effect()
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br i1 %early14, label %exit, label %cont14
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cont14:
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%len15 = extractvalue [100 x i64] %len, 15
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%early15 = icmp eq i64 %iv, %len15
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call void @side_effect()
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br i1 %early15, label %exit, label %cont15
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cont15:
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%len16 = extractvalue [100 x i64] %len, 16
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%early16 = icmp eq i64 %iv, %len16
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call void @side_effect()
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br i1 %early16, label %exit, label %cont16
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cont16:
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%len17 = extractvalue [100 x i64] %len, 17
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%early17 = icmp eq i64 %iv, %len17
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call void @side_effect()
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br i1 %early17, label %exit, label %cont17
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cont17:
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%len18 = extractvalue [100 x i64] %len, 18
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%early18 = icmp eq i64 %iv, %len18
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call void @side_effect()
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br i1 %early18, label %exit, label %cont18
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cont18:
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%len19 = extractvalue [100 x i64] %len, 19
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%early19 = icmp eq i64 %iv, %len19
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call void @side_effect()
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br i1 %early19, label %exit, label %cont19
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cont19:
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%len20 = extractvalue [100 x i64] %len, 20
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%early20 = icmp eq i64 %iv, %len20
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call void @side_effect()
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br i1 %early20, label %exit, label %cont20
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cont20:
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%len21 = extractvalue [100 x i64] %len, 21
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%early21 = icmp eq i64 %iv, %len21
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call void @side_effect()
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br i1 %early21, label %exit, label %cont21
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cont21:
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%len22 = extractvalue [100 x i64] %len, 22
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%early22 = icmp eq i64 %iv, %len22
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call void @side_effect()
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br i1 %early22, label %exit, label %cont22
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cont22:
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%len23 = extractvalue [100 x i64] %len, 23
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%early23 = icmp eq i64 %iv, %len23
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call void @side_effect()
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br i1 %early23, label %exit, label %cont23
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cont23:
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%len24 = extractvalue [100 x i64] %len, 24
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%early24 = icmp eq i64 %iv, %len24
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call void @side_effect()
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br i1 %early24, label %exit, label %cont24
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cont24:
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%len25 = extractvalue [100 x i64] %len, 25
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%early25 = icmp eq i64 %iv, %len25
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call void @side_effect()
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br i1 %early25, label %exit, label %cont25
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cont25:
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%len26 = extractvalue [100 x i64] %len, 26
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%early26 = icmp eq i64 %iv, %len26
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call void @side_effect()
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br i1 %early26, label %exit, label %cont26
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cont26:
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%len27 = extractvalue [100 x i64] %len, 27
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%early27 = icmp eq i64 %iv, %len27
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call void @side_effect()
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br i1 %early27, label %exit, label %cont27
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cont27:
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%len28 = extractvalue [100 x i64] %len, 28
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%early28 = icmp eq i64 %iv, %len28
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call void @side_effect()
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br i1 %early28, label %exit, label %cont28
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cont28:
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%len29 = extractvalue [100 x i64] %len, 29
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%early29 = icmp eq i64 %iv, %len29
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call void @side_effect()
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br i1 %early29, label %exit, label %cont29
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cont29:
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%len30 = extractvalue [100 x i64] %len, 30
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%early30 = icmp eq i64 %iv, %len30
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call void @side_effect()
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br i1 %early30, label %exit, label %cont30
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cont30:
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%len31 = extractvalue [100 x i64] %len, 31
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%early31 = icmp eq i64 %iv, %len31
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call void @side_effect()
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br i1 %early31, label %exit, label %cont31
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cont31:
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%len32 = extractvalue [100 x i64] %len, 32
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%early32 = icmp eq i64 %iv, %len32
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call void @side_effect()
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br i1 %early32, label %exit, label %cont32
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cont32:
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%len33 = extractvalue [100 x i64] %len, 33
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%early33 = icmp eq i64 %iv, %len33
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call void @side_effect()
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br i1 %early33, label %exit, label %cont33
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cont33:
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%len34 = extractvalue [100 x i64] %len, 34
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%early34 = icmp eq i64 %iv, %len34
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call void @side_effect()
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br i1 %early34, label %exit, label %cont34
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cont34:
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%len35 = extractvalue [100 x i64] %len, 35
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%early35 = icmp eq i64 %iv, %len35
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call void @side_effect()
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br i1 %early35, label %exit, label %cont35
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cont35:
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%len36 = extractvalue [100 x i64] %len, 36
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%early36 = icmp eq i64 %iv, %len36
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call void @side_effect()
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br i1 %early36, label %exit, label %cont36
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cont36:
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%len37 = extractvalue [100 x i64] %len, 37
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|
%early37 = icmp eq i64 %iv, %len37
|
|
call void @side_effect()
|
|
br i1 %early37, label %exit, label %cont37
|
|
cont37:
|
|
%len38 = extractvalue [100 x i64] %len, 38
|
|
%early38 = icmp eq i64 %iv, %len38
|
|
call void @side_effect()
|
|
br i1 %early38, label %exit, label %cont38
|
|
cont38:
|
|
%len39 = extractvalue [100 x i64] %len, 39
|
|
%early39 = icmp eq i64 %iv, %len39
|
|
call void @side_effect()
|
|
br i1 %early39, label %exit, label %cont39
|
|
cont39:
|
|
br label %backedge
|
|
backedge:
|
|
call void @side_effect()
|
|
%cmp2 = icmp ult i64 %iv, 999
|
|
%iv.next = add i64 %iv, 1
|
|
br i1 %cmp2, label %loop, label %exit
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
declare void @side_effect()
|