1 ; RUN: llc < %s | FileCheck %s
3 ; PR27612. The following spill is hoisted from two locations: the fall
4 ; through succ block and the landingpad block of a call which may throw
5 ; exception. If it is not hoisted before the call, the spill will be
6 ; missing on the landingpad path.
8 ; CHECK-LABEL: _Z3foov:
9 ; CHECK: movq %rbx, (%rsp) # 8-byte Spill
10 ; CHECK-NEXT: callq _Z3goov
12 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
13 target triple = "x86_64-unknown-linux-gnu"
15 @a = global [20 x i64] zeroinitializer, align 16
16 @_ZTIi = external constant i8*
18 ; Function Attrs: uwtable
19 define void @_Z3foov() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
21 %tmp = load i64, i64* getelementptr inbounds ([20 x i64], [20 x i64]* @a, i64 0, i64 1), align 8
22 invoke void @_Z3goov()
23 to label %try.cont unwind label %lpad
25 lpad: ; preds = %entry
26 %tmp1 = landingpad { i8*, i32 }
28 catch i8* bitcast (i8** @_ZTIi to i8*)
29 %tmp2 = extractvalue { i8*, i32 } %tmp1, 1
30 %tmp3 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*))
31 %matches = icmp eq i32 %tmp2, %tmp3
32 br i1 %matches, label %catch, label %ehcleanup
34 catch: ; preds = %lpad
35 %tmp4 = extractvalue { i8*, i32 } %tmp1, 0
36 %tmp5 = tail call i8* @__cxa_begin_catch(i8* %tmp4)
37 store i64 %tmp, i64* getelementptr inbounds ([20 x i64], [20 x i64]* @a, i64 0, i64 2), align 16
38 tail call void asm sideeffect "", "~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15},~{memory},~{dirflag},~{fpsr},~{flags}"()
39 store i64 %tmp, i64* getelementptr inbounds ([20 x i64], [20 x i64]* @a, i64 0, i64 3), align 8
40 tail call void @__cxa_end_catch()
43 try.cont: ; preds = %catch, %entry
44 store i64 %tmp, i64* getelementptr inbounds ([20 x i64], [20 x i64]* @a, i64 0, i64 4), align 16
45 tail call void asm sideeffect "", "~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15},~{memory},~{dirflag},~{fpsr},~{flags}"()
46 store i64 %tmp, i64* getelementptr inbounds ([20 x i64], [20 x i64]* @a, i64 0, i64 5), align 8
49 ehcleanup: ; preds = %lpad
50 resume { i8*, i32 } %tmp1
53 declare void @_Z3goov()
55 declare i32 @__gxx_personality_v0(...)
57 ; Function Attrs: nounwind readnone
58 declare i32 @llvm.eh.typeid.for(i8*)
60 declare i8* @__cxa_begin_catch(i8*)
62 declare void @__cxa_end_catch()