1 ; RUN: llc < %s | FileCheck %s 2 ; 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. 7 ; 8 ; CHECK-LABEL: _Z3foov: 9 ; CHECK: movq %rbx, (%rsp) # 8-byte Spill 10 ; CHECK-NEXT: callq _Z3goov 11 12 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 13 target triple = "x86_64-unknown-linux-gnu" 14 15 @a = global [20 x i64] zeroinitializer, align 16 16 @_ZTIi = external constant i8* 17 18 ; Function Attrs: uwtable 19 define void @_Z3foov() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { 20 entry: 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 24 25 lpad: ; preds = %entry 26 %tmp1 = landingpad { i8*, i32 } 27 cleanup 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 33 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() 41 br label %try.cont 42 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 47 ret void 48 49 ehcleanup: ; preds = %lpad 50 resume { i8*, i32 } %tmp1 51 } 52 53 declare void @_Z3goov() 54 55 declare i32 @__gxx_personality_v0(...) 56 57 ; Function Attrs: nounwind readnone 58 declare i32 @llvm.eh.typeid.for(i8*) 59 60 declare i8* @__cxa_begin_catch(i8*) 61 62 declare void @__cxa_end_catch() 63
