1; RUN: llc -mtriple=x86_64-unknown-linux -mcpu=corei7                             < %s | FileCheck %s
2
3; Test invoking of patchpoints
4;
5define i64 @patchpoint_invoke(i64 %p1, i64 %p2) {
6entry:
7; CHECK-LABEL: patchpoint_invoke:
8; CHECK-NEXT:  [[FUNC_BEGIN:.L.*]]:
9; CHECK-NEXT: .cfi_startproc
10; CHECK:      .cfi_lsda 3, [[EXCEPTION_LABEL:.L[^ ]*]]
11; CHECK:      pushq %rbp
12
13; Unfortunately, hardcode the name of the label that begins the patchpoint:
14; CHECK:      .Ltmp0:
15; CHECK:      movabsq $-559038736, %r11
16; CHECK-NEXT: callq *%r11
17; CHECK-NEXT: xchgw %ax, %ax
18; CHECK-NEXT: [[PP_END:.L.*]]:
19; CHECK:      ret
20  %resolveCall = inttoptr i64 -559038736 to i8*
21  %result = invoke i64 (i64, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.i64(i64 2, i32 15, i8* %resolveCall, i32 1, i64 %p1, i64 %p2)
22            to label %success unwind label %threw
23
24success:
25  ret i64 %result
26
27threw:
28  %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
29          catch i8* null
30  ret i64 0
31}
32
33; Verify that the exception table was emitted:
34; CHECK:      [[EXCEPTION_LABEL]]:
35; CHECK-NEXT: .byte 255
36; CHECK-NEXT: .byte 3
37; CHECK-NEXT: .byte 21
38; CHECK-NEXT: .byte 3
39; CHECK-NEXT: .byte 13
40; Verify that the unwind data covers the entire patchpoint region:
41; CHECK-NEXT: .long .Ltmp0-[[FUNC_BEGIN]]
42; CHECK-NEXT: .long [[PP_END]]-.Ltmp0
43
44
45; Verify that the stackmap section got emitted:
46; CHECK-LABEL: __LLVM_StackMaps:
47; Header
48; CHECK-NEXT:   .byte 1
49; CHECK-NEXT:   .byte 0
50; CHECK-NEXT:   .short 0
51; Num Functions
52; CHECK-NEXT:   .long 1
53; Num LargeConstants
54; CHECK-NEXT:   .long 0
55; Num Callsites
56; CHECK-NEXT:   .long 1
57; CHECK-NEXT:   .quad patchpoint_invoke
58
59
60declare void @llvm.experimental.stackmap(i64, i32, ...)
61declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
62declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)
63declare i32 @__gxx_personality_v0(...)
64