hanchenye-llvm-project/llvm/test/Transforms/InstCombine/cast-propagate.ll

12 lines
380 B
LLVM

; RUN: opt < %s -instcombine -mem2reg -S | \
; RUN: not grep load
define i32 @test1(i32* %P) {
%A = alloca i32 ; <i32*> [#uses=2]
store i32 123, i32* %A
; Cast the result of the load not the source
%Q = bitcast i32* %A to i32* ; <i32*> [#uses=1]
%V = load i32* %Q ; <i32> [#uses=1]
ret i32 %V
}