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22 lines
838 B
LLVM
22 lines
838 B
LLVM
; RUN: opt -S -gvn-hoist -verify-memoryssa < %s | FileCheck %s
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; Check that we end up with one load and one store, in the right order
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; CHECK-LABEL: define void @test_it(
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; CHECK: store
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; CHECK-NEXT: load
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; CHECK-NOT: store
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; CHECK-NOT: load
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%rec894.0.1.2.3.12 = type { i16 }
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@a = external global %rec894.0.1.2.3.12
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define void @test_it() {
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bb2:
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store i16 undef, i16* getelementptr inbounds (%rec894.0.1.2.3.12, %rec894.0.1.2.3.12* @a, i16 0, i32 0), align 1
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%_tmp61 = load i16, i16* getelementptr inbounds (%rec894.0.1.2.3.12, %rec894.0.1.2.3.12* @a, i16 0, i32 0), align 1
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store i16 undef, i16* getelementptr inbounds (%rec894.0.1.2.3.12, %rec894.0.1.2.3.12* @a, i16 0, i32 0), align 1
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%_tmp92 = load i16, i16* getelementptr inbounds (%rec894.0.1.2.3.12, %rec894.0.1.2.3.12* @a, i16 0, i32 0), align 1
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ret void
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}
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