26 lines
699 B
LLVM
26 lines
699 B
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instsimplify -S | FileCheck %s
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; This tests checks optimization consistency for scalar and vector code.
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; If m_Zero() is able to match a vector undef, but not a scalar undef,
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; the two cases will simplify differently.
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define i32 @test_scalar(i32 %a, i1 %b) {
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; CHECK-LABEL: @test_scalar(
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; CHECK-NEXT: ret i32 undef
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;
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%c = sext i1 %b to i32
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%d = ashr i32 undef, %c
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ret i32 %d
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}
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define <2 x i32> @test_vector(<2 x i32> %a, <2 x i1> %b) {
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; CHECK-LABEL: @test_vector(
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; CHECK-NEXT: ret <2 x i32> undef
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;
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%c = sext <2 x i1> %b to <2 x i32>
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%d = ashr <2 x i32> undef, %c
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ret <2 x i32> %d
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}
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