llvm-for-llvmta/test/Transforms/DeadStoreElimination/MSSA/2011-03-25-DSEMiscompile.ll

24 lines
984 B
LLVM

; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
; PR9561
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
target triple = "i386-apple-darwin9.8"
@A = external global [0 x i32]
declare ghccc void @Func2(i32*, i32*, i32*, i32)
define ghccc void @Func1(i32* noalias %Arg1, i32* noalias %Arg2, i32* %Arg3, i32 %Arg4) {
entry:
store i32 add (i32 ptrtoint ([0 x i32]* @A to i32), i32 1), i32* %Arg2
; CHECK: store i32 add (i32 ptrtoint ([0 x i32]* @A to i32), i32 1), i32* %Arg2
%ln2gz = getelementptr i32, i32* %Arg1, i32 14
%ln2gA = bitcast i32* %ln2gz to double*
%ln2gB = load double, double* %ln2gA
%ln2gD = getelementptr i32, i32* %Arg2, i32 -3
%ln2gE = bitcast i32* %ln2gD to double*
store double %ln2gB, double* %ln2gE
; CHECK: store double %ln2gB, double* %ln2gE
tail call ghccc void @Func2(i32* %Arg1, i32* %Arg2, i32* %Arg3, i32 %Arg4) nounwind
ret void
}