llvm-project/llvm/test/Transforms/NewGVN/bitcast-of-call.ll

21 lines
622 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -newgvn -S | FileCheck %s
; PR2213
define i32* @f(i8* %x) {
; CHECK-LABEL: @f(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP:%.*]] = call i8* @m(i32 12)
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[TMP]] to i32*
; CHECK-NEXT: ret i32* [[TMP1]]
;
entry:
%tmp = call i8* @m( i32 12 ) ; <i8*> [#uses=2]
%tmp1 = bitcast i8* %tmp to i32* ; <i32*> [#uses=0]
%tmp3 = bitcast i32* %tmp1 to i8*
%tmp2 = bitcast i8* %tmp3 to i32* ; <i32*> [#uses=0]
ret i32* %tmp2
}
declare i8* @m(i32)