| ; RUN: opt < %s -scalarrepl -S | FileCheck %s |
| ; PR10987 |
| |
| ; Make sure scalarrepl doesn't move a load across an invoke which could |
| ; modify the loaded value. |
| ; (The PHI could theoretically be transformed by splitting the critical |
| ; edge, but scalarrepl doesn't modify the CFG, at least at the moment.) |
| |
| declare void @extern_fn(i32*) |
| declare i32 @extern_fn2(i32) |
| declare i32 @__gcc_personality_v0(i32, i64, i8*, i8*) |
| |
| define void @odd_fn(i1) noinline { |
| %retptr1 = alloca i32 |
| %retptr2 = alloca i32 |
| br i1 %0, label %then, label %else |
| |
| then: ; preds = %2 |
| invoke void @extern_fn(i32* %retptr1) |
| to label %join unwind label %unwind |
| |
| else: ; preds = %2 |
| store i32 3, i32* %retptr2 |
| br label %join |
| |
| join: ; preds = %then, %else |
| %storemerge.in = phi i32* [ %retptr2, %else ], [ %retptr1, %then ] |
| %storemerge = load i32* %storemerge.in |
| %x3 = call i32 @extern_fn2(i32 %storemerge) |
| ret void |
| |
| unwind: ; preds = %then |
| %info = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__gcc_personality_v0 |
| cleanup |
| call void @extern_fn(i32* null) |
| unreachable |
| } |
| |
| ; CHECK: define void @odd_fn |
| ; CHECK: %storemerge.in = phi i32* [ %retptr2, %else ], [ %retptr1, %then ] |
