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; RUN: llc -mtriple=x86_64-unknown-linux -mcpu=corei7 < %s | FileCheck %s
; Test invoking of patchpoints
;
define i64 @patchpoint_invoke(i64 %p1, i64 %p2) {
entry:
; CHECK-LABEL: patchpoint_invoke:
; CHECK-NEXT: .cfi_startproc
; CHECK: [[FUNC_BEGIN:.L.*]]:
; CHECK: .cfi_lsda 3, [[EXCEPTION_LABEL:.L[^ ]*]]
; CHECK: pushq %rbp
; Unfortunately, hardcode the name of the label that begins the patchpoint:
; CHECK: .Ltmp0:
; CHECK: movabsq $-559038736, %r11
; CHECK-NEXT: callq *%r11
; CHECK-NEXT: xchgw %ax, %ax
; CHECK-NEXT: [[PP_END:.L.*]]:
; CHECK: ret
%resolveCall = inttoptr i64 -559038736 to i8*
%result = invoke i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 2, i32 15, i8* %resolveCall, i32 1, i64 %p1, i64 %p2)
to label %success unwind label %threw
success:
ret i64 %result
threw:
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
catch i8* null
ret i64 0
}
; Verify that the exception table was emitted:
; CHECK: [[EXCEPTION_LABEL]]:
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 3
; CHECK-NEXT: .byte 21
; CHECK-NEXT: .byte 3
; CHECK-NEXT: .byte 13
; Verify that the unwind data covers the entire patchpoint region:
; CHECK-NEXT: .long .Ltmp0-[[FUNC_BEGIN]]
; CHECK-NEXT: .long [[PP_END]]-.Ltmp0
; Verify that the stackmap section got emitted:
; CHECK-LABEL: __LLVM_StackMaps:
; Header
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 0
; Num Functions
; CHECK-NEXT: .long 1
; Num LargeConstants
; CHECK-NEXT: .long 0
; Num Callsites
; CHECK-NEXT: .long 1
; CHECK-NEXT: .quad patchpoint_invoke
declare void @llvm.experimental.stackmap(i64, i32, ...)
declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)
declare i32 @__gxx_personality_v0(...)
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