41 lines
1.5 KiB
LLVM
41 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -constraint-elimination -S %s | FileCheck %s
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; Make sure we do not incorrectly add variables to the system.
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define i1 @test(i32* %p1, i32* %p2, i32 %num_rows, i32 %start_row, i1 %c) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[ADD:%.*]] = add i32 [[NUM_ROWS:%.*]], [[START_ROW:%.*]]
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; CHECK-NEXT: [[L3:%.*]] = load i32, i32* [[P1:%.*]], align 4
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; CHECK-NEXT: [[CMP6:%.*]] = icmp ugt i32 [[L3]], [[START_ROW]]
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; CHECK-NEXT: br i1 [[C:%.*]], label [[IF_END36:%.*]], label [[IF_END36]]
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; CHECK: if.end36:
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; CHECK-NEXT: [[L1:%.*]] = load i32, i32* [[P2:%.*]], align 4
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; CHECK-NEXT: [[CMP37:%.*]] = icmp ult i32 [[L1]], [[ADD]]
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; CHECK-NEXT: br i1 [[CMP37]], label [[IF_THEN39:%.*]], label [[EXIT:%.*]]
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; CHECK: if.then39:
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; CHECK-NEXT: [[CMP41:%.*]] = icmp ult i32 [[L1]], [[START_ROW]]
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; CHECK-NEXT: ret i1 [[CMP41]]
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; CHECK: exit:
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; CHECK-NEXT: ret i1 false
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;
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entry:
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%add = add i32 %num_rows, %start_row
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%l3 = load i32, i32* %p1, align 4
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%cmp6 = icmp ugt i32 %l3, %start_row
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br i1 %c, label %if.end36, label %if.end36
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if.end36: ; preds = %if.then11
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%l1 = load i32, i32* %p2, align 4
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%cmp37 = icmp ult i32 %l1, %add
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br i1 %cmp37, label %if.then39, label %exit
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if.then39: ; preds = %if.end36
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%cmp41 = icmp ult i32 %l1, %start_row
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ret i1 %cmp41
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exit: ; preds = %if.end36
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ret i1 false
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}
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