54 lines
1.4 KiB
LLVM
54 lines
1.4 KiB
LLVM
; RUN: llc -mtriple=x86_64-pc-windows-msvc -verify-machineinstrs < %s | FileCheck %s
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; We should store -2 into UnwindHelp in a slot immediately after the last XMM
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; CSR save.
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declare void @g()
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declare i32 @__CxxFrameHandler3(...)
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@fp_global = global double 0.0
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define void @f() personality i32 (...)* @__CxxFrameHandler3 {
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%v = load double, double* @fp_global
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call void @g()
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%v1 = fadd double %v, 1.0
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store double %v1, double* @fp_global
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invoke void @g()
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to label %return unwind label %catch.dispatch
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return:
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ret void
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catch.dispatch:
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%cs1 = catchswitch within none [label %catch] unwind to caller
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catch:
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%p = catchpad within %cs1 [i8* null, i32 64, i8* null]
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catchret from %p to label %return
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}
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; CHECK: f: # @f
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; CHECK: pushq %rbp
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; CHECK: .seh_pushreg 5
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; CHECK: subq $64, %rsp
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; CHECK: .seh_stackalloc 64
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; CHECK: leaq 64(%rsp), %rbp
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; CHECK: .seh_setframe 5, 64
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; CHECK: movaps %xmm6, -16(%rbp) # 16-byte Spill
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; CHECK: .seh_savexmm 6, 48
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; CHECK: .seh_endprologue
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; CHECK: movq $-2, -24(%rbp)
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; CHECK: movsd fp_global(%rip), %xmm6 # xmm6 = mem[0],zero
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; CHECK: callq g
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; CHECK: addsd __real@3ff0000000000000(%rip), %xmm6
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; CHECK: movsd %xmm6, fp_global(%rip)
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; CHECK: .Ltmp{{.*}}
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; CHECK: callq g
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; CHECK: .Ltmp{{.*}}
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; CHECK: .LBB{{.*}} # Block address taken
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; CHECK: movaps -16(%rbp), %xmm6
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; CHECK: addq $64, %rsp
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; CHECK: popq %rbp
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; CHECK: retq
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; CHECK: .seh_handlerdata
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