29 lines
766 B
LLVM
29 lines
766 B
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 i32 @foo(i32 %x, i32 %y) {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: [[RES:%.*]] = mul i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: ret i32 [[RES]]
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;
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%add = add nsw i32 %y, %x
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%mul = mul nsw i32 %add, %y
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%square = mul nsw i32 %y, %y
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%res = sub i32 %mul, %square
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ret i32 %res
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}
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define i1 @bar(i64 %x, i64 %y) {
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; CHECK-LABEL: @bar(
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; CHECK-NEXT: [[TMP1:%.*]] = xor i64 [[X:%.*]], -1
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; CHECK-NEXT: [[B:%.*]] = and i64 [[TMP1]], [[Y:%.*]]
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; CHECK-NEXT: [[R:%.*]] = icmp eq i64 [[B]], 0
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; CHECK-NEXT: ret i1 [[R]]
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;
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%a = and i64 %y, %x
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%not = xor i64 %a, -1
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%b = and i64 %y, %not
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%r = icmp eq i64 %b, 0
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ret i1 %r
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}
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