25 lines
759 B
LLVM
25 lines
759 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; This test ensures that the simplifycfg pass continues to constant fold
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; terminator instructions.
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; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
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define i32 @test(i32 %A, i32 %B) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: J:
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; CHECK-NEXT: [[C:%.*]] = add i32 [[A:%.*]], 12
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; CHECK-NEXT: [[D:%.*]] = add i32 [[C]], [[B:%.*]]
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; CHECK-NEXT: ret i32 [[D]]
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;
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J:
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%C = add i32 %A, 12 ; <i32> [#uses=2]
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br i1 true, label %L, label %K
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L: ; preds = %J
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%D = add i32 %C, %B ; <i32> [#uses=1]
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ret i32 %D
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K: ; preds = %J
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%E = add i32 %C, %B ; <i32> [#uses=1]
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ret i32 %E
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}
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