1 ; RUN: llc -mtriple=x86_64-unknown-linux -mcpu=corei7 < %s | FileCheck %s 2 3 ; Test invoking of patchpoints 4 ; 5 define i64 @patchpoint_invoke(i64 %p1, i64 %p2) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { 6 entry: 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 24 success: 25 ret i64 %result 26 27 threw: 28 %0 = landingpad { i8*, i32 } 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 60 declare void @llvm.experimental.stackmap(i64, i32, ...) 61 declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...) 62 declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...) 63 declare i32 @__gxx_personality_v0(...) 64
