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95e3cfd5ed
This removes a bit of duplicated code and more importantly, remembers the labels so that they don't need to be looked up by name. This in turn allows for any name to be used and avoids a crash if the name we wanted was already taken. llvm-svn: 230772
64 lines
1.9 KiB
LLVM
64 lines
1.9 KiB
LLVM
; RUN: llc -mtriple=x86_64-unknown-linux -mcpu=corei7 < %s | FileCheck %s
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; Test invoking of patchpoints
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;
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define i64 @patchpoint_invoke(i64 %p1, i64 %p2) {
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entry:
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; CHECK-LABEL: patchpoint_invoke:
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; CHECK-NEXT: [[FUNC_BEGIN:.L.*]]:
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; CHECK-NEXT: .cfi_startproc
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; CHECK: .cfi_lsda 3, [[EXCEPTION_LABEL:.L[^ ]*]]
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; CHECK: pushq %rbp
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; Unfortunately, hardcode the name of the label that begins the patchpoint:
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; CHECK: .Ltmp0:
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; CHECK: movabsq $-559038736, %r11
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; CHECK-NEXT: callq *%r11
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; CHECK-NEXT: xchgw %ax, %ax
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; CHECK-NEXT: [[PP_END:.L.*]]:
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; CHECK: ret
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%resolveCall = inttoptr i64 -559038736 to i8*
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%result = invoke i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 2, i32 15, i8* %resolveCall, i32 1, i64 %p1, i64 %p2)
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to label %success unwind label %threw
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success:
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ret i64 %result
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threw:
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%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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catch i8* null
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ret i64 0
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}
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; Verify that the exception table was emitted:
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; CHECK: [[EXCEPTION_LABEL]]:
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; CHECK-NEXT: .byte 255
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; CHECK-NEXT: .byte 3
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; CHECK-NEXT: .byte 21
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; CHECK-NEXT: .byte 3
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; CHECK-NEXT: .byte 13
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; Verify that the unwind data covers the entire patchpoint region:
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; CHECK-NEXT: .long .Ltmp0-[[FUNC_BEGIN]]
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; CHECK-NEXT: .long [[PP_END]]-.Ltmp0
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; Verify that the stackmap section got emitted:
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; CHECK-LABEL: __LLVM_StackMaps:
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; Header
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; CHECK-NEXT: .byte 1
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .short 0
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; Num Functions
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; CHECK-NEXT: .long 1
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; Num LargeConstants
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; CHECK-NEXT: .long 0
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; Num Callsites
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; CHECK-NEXT: .long 1
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; CHECK-NEXT: .quad patchpoint_invoke
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declare void @llvm.experimental.stackmap(i64, i32, ...)
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declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
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declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)
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declare i32 @__gxx_personality_v0(...)
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