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52 lines
1.0 KiB
52 lines
1.0 KiB
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -instcombine < %s | FileCheck %s
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define void @test_shl(i1 %x) {
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; CHECK-LABEL: @test_shl(
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; CHECK-NEXT: call void @sink(i8 0)
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; CHECK-NEXT: ret void
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;
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%y = zext i1 %x to i8
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%z = shl i8 64, %y
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%a = and i8 %z, 1
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call void @sink(i8 %a)
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ret void
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}
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define void @test_lshr(i1 %x) {
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; CHECK-LABEL: @test_lshr(
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; CHECK-NEXT: call void @sink(i8 0)
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; CHECK-NEXT: ret void
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;
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%y = zext i1 %x to i8
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%z = lshr i8 64, %y
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%a = and i8 %z, 1
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call void @sink(i8 %a)
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ret void
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}
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define void @test_ashr(i1 %x) {
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; CHECK-LABEL: @test_ashr(
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; CHECK-NEXT: call void @sink(i8 0)
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; CHECK-NEXT: ret void
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;
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%y = zext i1 %x to i8
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%z = ashr i8 -16, %y
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%a = and i8 %z, 3
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call void @sink(i8 %a)
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ret void
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}
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define void @test_udiv(i8 %x) {
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; CHECK-LABEL: @test_udiv(
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; CHECK-NEXT: call void @sink(i8 0)
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; CHECK-NEXT: ret void
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;
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%y = udiv i8 10, %x
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%z = and i8 %y, 64
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call void @sink(i8 %z)
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ret void
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}
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declare void @sink(i8)
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