mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-28 04:33:05 +00:00
b1e1e82c54
of using llvm-as, now that opt supports this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
857 B
LLVM
26 lines
857 B
LLVM
; RUN: opt %s -instcombine -mem2reg -simplifycfg | \
|
|
; RUN: llvm-dis | grep -v store | not grep {i32 1}
|
|
|
|
; Test to make sure that instcombine does not accidentally propagate the load
|
|
; into the PHI, which would break the program.
|
|
|
|
define i32 @test(i1 %C) {
|
|
entry:
|
|
%X = alloca i32 ; <i32*> [#uses=3]
|
|
%X2 = alloca i32 ; <i32*> [#uses=2]
|
|
store i32 1, i32* %X
|
|
store i32 2, i32* %X2
|
|
br i1 %C, label %cond_true.i, label %cond_continue.i
|
|
|
|
cond_true.i: ; preds = %entry
|
|
br label %cond_continue.i
|
|
|
|
cond_continue.i: ; preds = %cond_true.i, %entry
|
|
%mem_tmp.i.0 = phi i32* [ %X, %cond_true.i ], [ %X2, %entry ] ; <i32*> [#uses=1]
|
|
store i32 3, i32* %X
|
|
%tmp.3 = load i32* %mem_tmp.i.0 ; <i32> [#uses=1]
|
|
ret i32 %tmp.3
|
|
}
|
|
|
|
|