20 lines
577 B
LLVM
20 lines
577 B
LLVM
; NOTE: Assertions have been autogenerated by update_test_checks.py
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; RUN: opt < %s -instcombine -S | FileCheck %s
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define i32 @foo(i32 %x, i32 %y) {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: [[A:%.*]] = and i32 %x, 7
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; CHECK-NEXT: [[B:%.*]] = and i32 %y, 7
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; CHECK-NEXT: [[C:%.*]] = mul nuw nsw i32 [[A]], [[B]]
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; CHECK-NEXT: [[D:%.*]] = shl nuw i32 [[C]], 26
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; CHECK-NEXT: [[E:%.*]] = ashr exact i32 [[D]], 26
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; CHECK-NEXT: ret i32 [[E]]
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;
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%a = and i32 %x, 7
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%b = and i32 %y, 7
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%c = mul i32 %a, %b
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%d = shl i32 %c, 26
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%e = ashr i32 %d, 26
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ret i32 %e
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}
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