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llvm-mirror/test/Transforms/Reassociate/commute.ll
2019-08-01 23:30:32 +00:00

23 lines
629 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -reassociate -S < %s | FileCheck %s
declare void @use(i32)
define void @test1(i32 %x, i32 %y) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[TMP1:%.*]] = mul i32 [[Y:%.*]], [[X:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = mul i32 [[Y]], [[X]]
; CHECK-NEXT: [[TMP3:%.*]] = sub i32 [[TMP1]], [[TMP2]]
; CHECK-NEXT: call void @use(i32 [[TMP1]])
; CHECK-NEXT: call void @use(i32 [[TMP3]])
; CHECK-NEXT: ret void
;
%1 = mul i32 %x, %y
%2 = mul i32 %y, %x
%3 = sub i32 %1, %2
call void @use(i32 %1)
call void @use(i32 %3)
ret void
}