| ; RUN: llc < %s | FileCheck %s |
| ; |
| ; PR27612. The following spill is hoisted from two locations: the fall |
| ; through succ block and the landingpad block of a call which may throw |
| ; exception. If it is not hoisted before the call, the spill will be |
| ; missing on the landingpad path. |
| ; |
| ; CHECK-LABEL: _Z3foov: |
| ; CHECK: movq %rbx, (%rsp) # 8-byte Spill |
| ; CHECK-NEXT: callq _Z3goov |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @a = dso_local global [20 x i64] zeroinitializer, align 16 |
| @_ZTIi = external constant ptr |
| |
| ; Function Attrs: uwtable |
| define dso_local void @_Z3foov() personality ptr @__gxx_personality_v0 { |
| entry: |
| %tmp = load i64, ptr getelementptr inbounds ([20 x i64], ptr @a, i64 0, i64 1), align 8 |
| invoke void @_Z3goov() |
| to label %try.cont unwind label %lpad |
| |
| lpad: ; preds = %entry |
| %tmp1 = landingpad { ptr, i32 } |
| cleanup |
| catch ptr @_ZTIi |
| %tmp2 = extractvalue { ptr, i32 } %tmp1, 1 |
| %tmp3 = tail call i32 @llvm.eh.typeid.for(ptr @_ZTIi) |
| %matches = icmp eq i32 %tmp2, %tmp3 |
| br i1 %matches, label %catch, label %ehcleanup |
| |
| catch: ; preds = %lpad |
| %tmp4 = extractvalue { ptr, i32 } %tmp1, 0 |
| %tmp5 = tail call ptr @__cxa_begin_catch(ptr %tmp4) |
| store i64 %tmp, ptr getelementptr inbounds ([20 x i64], ptr @a, i64 0, i64 2), align 16 |
| tail call void asm sideeffect "", "~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15},~{memory},~{dirflag},~{fpsr},~{flags}"() |
| store i64 %tmp, ptr getelementptr inbounds ([20 x i64], ptr @a, i64 0, i64 3), align 8 |
| tail call void @__cxa_end_catch() |
| br label %try.cont |
| |
| try.cont: ; preds = %catch, %entry |
| store i64 %tmp, ptr getelementptr inbounds ([20 x i64], ptr @a, i64 0, i64 4), align 16 |
| tail call void asm sideeffect "", "~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15},~{memory},~{dirflag},~{fpsr},~{flags}"() |
| store i64 %tmp, ptr getelementptr inbounds ([20 x i64], ptr @a, i64 0, i64 5), align 8 |
| ret void |
| |
| ehcleanup: ; preds = %lpad |
| resume { ptr, i32 } %tmp1 |
| } |
| |
| declare void @_Z3goov() |
| |
| declare i32 @__gxx_personality_v0(...) |
| |
| ; Function Attrs: nounwind readnone |
| declare i32 @llvm.eh.typeid.for(ptr) |
| |
| declare ptr @__cxa_begin_catch(ptr) |
| |
| declare void @__cxa_end_catch() |
