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) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { 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 } 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