126 lines
3.6 KiB
LLVM
126 lines
3.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s
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declare void @use(i1)
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define void @test_or_ule(i4 %x, i4 %y, i4 %z, i4 %a) {
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; CHECK-LABEL: @test_or_ule(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp ule i4 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[C_2:%.*]] = icmp ule i4 [[Y]], [[Z:%.*]]
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; CHECK-NEXT: [[OR:%.*]] = or i1 [[C_1]], [[C_2]]
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; CHECK-NEXT: br i1 [[OR]], label [[BB1:%.*]], label [[EXIT:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[C_3:%.*]] = icmp ule i4 [[X]], [[Z]]
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; CHECK-NEXT: call void @use(i1 [[C_3]])
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; CHECK-NEXT: [[C_4:%.*]] = icmp ule i4 [[X]], [[A:%.*]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: ret void
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; CHECK: exit:
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; CHECK-NEXT: [[F_1:%.*]] = icmp ule i4 [[X]], [[Z]]
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; CHECK-NEXT: call void @use(i1 false)
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; CHECK-NEXT: [[C_5:%.*]] = icmp ule i4 [[X]], [[A]]
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[T_1:%.*]] = icmp ugt i4 [[Y]], [[Z]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[T_2:%.*]] = icmp ugt i4 [[X]], [[Y]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[T_3:%.*]] = icmp ugt i4 [[X]], [[Z]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: ret void
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;
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entry:
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%c.1 = icmp ule i4 %x, %y
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%c.2 = icmp ule i4 %y, %z
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%or = or i1 %c.1, %c.2
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br i1 %or, label %bb1, label %exit
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bb1:
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%c.3 = icmp ule i4 %x, %z
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call void @use(i1 %c.3)
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%c.4 = icmp ule i4 %x, %a
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call void @use(i1 %c.4)
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ret void
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exit:
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%f.1 = icmp ule i4 %x, %z
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call void @use(i1 %f.1)
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%c.5 = icmp ule i4 %x, %a
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call void @use(i1 %c.5)
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%t.1 = icmp ugt i4 %y, %z
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call void @use(i1 %t.1)
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%t.2 = icmp ugt i4 %x, %y
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call void @use(i1 %t.2)
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%t.3 = icmp ugt i4 %x, %z
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call void @use(i1 %t.3)
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ret void
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}
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; The result of test_or_ule and test_or_select_ule should be same
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define void @test_or_select_ule(i4 %x, i4 %y, i4 %z, i4 %a) {
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; CHECK-LABEL: @test_or_select_ule(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp ule i4 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[C_2:%.*]] = icmp ule i4 [[Y]], [[Z:%.*]]
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; CHECK-NEXT: [[OR:%.*]] = select i1 [[C_1]], i1 true, i1 [[C_2]]
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; CHECK-NEXT: br i1 [[OR]], label [[BB1:%.*]], label [[EXIT:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[C_3:%.*]] = icmp ule i4 [[X]], [[Z]]
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; CHECK-NEXT: call void @use(i1 [[C_3]])
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; CHECK-NEXT: [[C_4:%.*]] = icmp ule i4 [[X]], [[A:%.*]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: ret void
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; CHECK: exit:
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; CHECK-NEXT: [[F_1:%.*]] = icmp ule i4 [[X]], [[Z]]
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; CHECK-NEXT: call void @use(i1 false)
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; CHECK-NEXT: [[C_5:%.*]] = icmp ule i4 [[X]], [[A]]
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[T_1:%.*]] = icmp ugt i4 [[Y]], [[Z]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[T_2:%.*]] = icmp ugt i4 [[X]], [[Y]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[T_3:%.*]] = icmp ugt i4 [[X]], [[Z]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: ret void
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;
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entry:
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%c.1 = icmp ule i4 %x, %y
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%c.2 = icmp ule i4 %y, %z
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%or = select i1 %c.1, i1 true, i1 %c.2
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br i1 %or, label %bb1, label %exit
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bb1:
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%c.3 = icmp ule i4 %x, %z
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call void @use(i1 %c.3)
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%c.4 = icmp ule i4 %x, %a
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call void @use(i1 %c.4)
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ret void
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exit:
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%f.1 = icmp ule i4 %x, %z
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call void @use(i1 %f.1)
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%c.5 = icmp ule i4 %x, %a
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call void @use(i1 %c.5)
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%t.1 = icmp ugt i4 %y, %z
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call void @use(i1 %t.1)
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%t.2 = icmp ugt i4 %x, %y
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call void @use(i1 %t.2)
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%t.3 = icmp ugt i4 %x, %z
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call void @use(i1 %t.3)
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ret void
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}
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