forked from OSchip/llvm-project
41 lines
1.2 KiB
LLVM
41 lines
1.2 KiB
LLVM
; 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 i1 @test0(i39 %X, i39 %A) {
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; CHECK-LABEL: @test0(
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; CHECK-NEXT: [[TMP1:%.*]] = shl i39 1, %A
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; CHECK-NEXT: [[TMP2:%.*]] = and i39 [[TMP1]], %X
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; CHECK-NEXT: [[D:%.*]] = icmp ne i39 [[TMP2]], 0
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; CHECK-NEXT: ret i1 [[D]]
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;
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%B = lshr i39 %X, %A
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%D = trunc i39 %B to i1
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ret i1 %D
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}
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define i1 @test1(i799 %X, i799 %A) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: [[TMP1:%.*]] = shl i799 1, %A
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; CHECK-NEXT: [[TMP2:%.*]] = and i799 [[TMP1]], %X
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; CHECK-NEXT: [[D:%.*]] = icmp ne i799 [[TMP2]], 0
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; CHECK-NEXT: ret i1 [[D]]
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;
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%B = lshr i799 %X, %A
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%D = trunc i799 %B to i1
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ret i1 %D
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}
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; FIXME: Vectors should fold the same way.
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define <2 x i1> @test0vec(<2 x i39> %X, <2 x i39> %A) {
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; CHECK-LABEL: @test0vec(
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; CHECK-NEXT: [[B:%.*]] = lshr <2 x i39> %X, %A
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; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i39> [[B]], <i39 1, i39 1>
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; CHECK-NEXT: [[D:%.*]] = icmp ne <2 x i39> [[TMP1]], zeroinitializer
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; CHECK-NEXT: ret <2 x i1> [[D]]
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;
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%B = lshr <2 x i39> %X, %A
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%D = trunc <2 x i39> %B to <2 x i1>
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ret <2 x i1> %D
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}
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