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66 lines
2.0 KiB
LLVM
66 lines
2.0 KiB
LLVM
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; RUN: llc -mtriple=s390x-linux-gnu < %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) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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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 0, [[EXCEPTION_LABEL:.L[^ ]*]]
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; CHECK: aghi %r15, -160
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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: llilf %r1, 559038736
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; CHECK-NEXT: basr %r14, %r1
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; CHECK-NEXT: bcr 0, %r0
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; CHECK-NEXT: [[PP_END:.L.*]]:
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; CHECK: br %r14
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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 10, 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 }
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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 0
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; CHECK-NEXT: .uleb128 .Lttbase{{[0-9]+}}-[[TTBASEREF:.Lttbaseref[0-9]+]]
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; CHECK-NEXT: [[TTBASEREF]]:
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; CHECK-NEXT: .byte 1
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; CHECK-NEXT: .uleb128 .Lcst_end{{[0-9]+}}-[[CST_BEGIN:.Lcst_begin[0-9]+]]
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; CHECK-NEXT: [[CST_BEGIN]]:
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; Verify that the unwind data covers the entire patchpoint region:
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; CHECK-NEXT: .uleb128 .Ltmp0-[[FUNC_BEGIN]]
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; CHECK-NEXT: .uleb128 [[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 3
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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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