forked from OSchip/llvm-project
63 lines
2.6 KiB
LLVM
63 lines
2.6 KiB
LLVM
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; RUN: llc < %s | FileCheck %s
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;
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; PR27612. The following spill is hoisted from two locations: the fall
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; through succ block and the landingpad block of a call which may throw
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; exception. If it is not hoisted before the call, the spill will be
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; missing on the landingpad path.
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;
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; CHECK-LABEL: _Z3foov:
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; CHECK: movq %rbx, (%rsp) # 8-byte Spill
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; CHECK-NEXT: callq _Z3goov
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@a = global [20 x i64] zeroinitializer, align 16
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@_ZTIi = external constant i8*
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; Function Attrs: uwtable
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define void @_Z3foov() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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entry:
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%tmp = load i64, i64* getelementptr inbounds ([20 x i64], [20 x i64]* @a, i64 0, i64 1), align 8
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invoke void @_Z3goov()
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to label %try.cont unwind label %lpad
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lpad: ; preds = %entry
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%tmp1 = landingpad { i8*, i32 }
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cleanup
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catch i8* bitcast (i8** @_ZTIi to i8*)
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%tmp2 = extractvalue { i8*, i32 } %tmp1, 1
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%tmp3 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*))
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%matches = icmp eq i32 %tmp2, %tmp3
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br i1 %matches, label %catch, label %ehcleanup
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catch: ; preds = %lpad
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%tmp4 = extractvalue { i8*, i32 } %tmp1, 0
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%tmp5 = tail call i8* @__cxa_begin_catch(i8* %tmp4)
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store i64 %tmp, i64* getelementptr inbounds ([20 x i64], [20 x i64]* @a, i64 0, i64 2), align 16
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tail call void asm sideeffect "", "~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15},~{memory},~{dirflag},~{fpsr},~{flags}"()
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store i64 %tmp, i64* getelementptr inbounds ([20 x i64], [20 x i64]* @a, i64 0, i64 3), align 8
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tail call void @__cxa_end_catch()
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br label %try.cont
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try.cont: ; preds = %catch, %entry
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store i64 %tmp, i64* getelementptr inbounds ([20 x i64], [20 x i64]* @a, i64 0, i64 4), align 16
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tail call void asm sideeffect "", "~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15},~{memory},~{dirflag},~{fpsr},~{flags}"()
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store i64 %tmp, i64* getelementptr inbounds ([20 x i64], [20 x i64]* @a, i64 0, i64 5), align 8
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ret void
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ehcleanup: ; preds = %lpad
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resume { i8*, i32 } %tmp1
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}
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declare void @_Z3goov()
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declare i32 @__gxx_personality_v0(...)
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; Function Attrs: nounwind readnone
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declare i32 @llvm.eh.typeid.for(i8*)
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declare i8* @__cxa_begin_catch(i8*)
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declare void @__cxa_end_catch()
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