150 lines
3.8 KiB
LLVM
150 lines
3.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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declare i32 @__gxx_personality_v0(...)
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declare void @fn()
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define void @test1() personality i32 (...)* @__gxx_personality_v0 {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: invoke void @fn()
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; CHECK-NEXT: to label [[INVOKE2:%.*]] unwind label [[LPAD2:%.*]]
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; CHECK: invoke2:
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; CHECK-NEXT: invoke void @fn()
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; CHECK-NEXT: to label [[COMMON_RET:%.*]] unwind label [[LPAD2]]
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; CHECK: common.ret:
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; CHECK-NEXT: ret void
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; CHECK: lpad2:
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; CHECK-NEXT: [[EXN2:%.*]] = landingpad { i8*, i32 }
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: call void @fn()
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; CHECK-NEXT: br label [[COMMON_RET]]
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;
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entry:
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invoke void @fn()
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to label %invoke2 unwind label %lpad1
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invoke2:
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invoke void @fn()
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to label %invoke.cont unwind label %lpad2
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invoke.cont:
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ret void
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lpad1:
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%exn = landingpad {i8*, i32}
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cleanup
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br label %shared_resume
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lpad2:
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%exn2 = landingpad {i8*, i32}
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cleanup
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br label %shared_resume
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shared_resume:
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call void @fn()
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ret void
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}
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; Don't trigger if blocks aren't the same/empty
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define void @neg1() personality i32 (...)* @__gxx_personality_v0 {
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; CHECK-LABEL: @neg1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: invoke void @fn()
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; CHECK-NEXT: to label [[INVOKE2:%.*]] unwind label [[LPAD1:%.*]]
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; CHECK: invoke2:
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; CHECK-NEXT: invoke void @fn()
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; CHECK-NEXT: to label [[COMMON_RET:%.*]] unwind label [[LPAD2:%.*]]
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; CHECK: common.ret:
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; CHECK-NEXT: ret void
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; CHECK: lpad1:
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; CHECK-NEXT: [[EXN:%.*]] = landingpad { i8*, i32 }
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; CHECK-NEXT: filter [0 x i8*] zeroinitializer
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; CHECK-NEXT: call void @fn()
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; CHECK-NEXT: br label [[SHARED_RESUME:%.*]]
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; CHECK: lpad2:
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; CHECK-NEXT: [[EXN2:%.*]] = landingpad { i8*, i32 }
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: br label [[SHARED_RESUME]]
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; CHECK: shared_resume:
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; CHECK-NEXT: call void @fn()
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; CHECK-NEXT: br label [[COMMON_RET]]
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;
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entry:
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invoke void @fn()
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to label %invoke2 unwind label %lpad1
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invoke2:
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invoke void @fn()
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to label %invoke.cont unwind label %lpad2
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invoke.cont:
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ret void
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lpad1:
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%exn = landingpad {i8*, i32}
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filter [0 x i8*] zeroinitializer
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call void @fn()
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br label %shared_resume
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lpad2:
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%exn2 = landingpad {i8*, i32}
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cleanup
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br label %shared_resume
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shared_resume:
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call void @fn()
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ret void
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}
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; Should not trigger when the landing pads are not the exact same
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define void @neg2() personality i32 (...)* @__gxx_personality_v0 {
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; CHECK-LABEL: @neg2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: invoke void @fn()
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; CHECK-NEXT: to label [[INVOKE2:%.*]] unwind label [[LPAD1:%.*]]
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; CHECK: invoke2:
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; CHECK-NEXT: invoke void @fn()
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; CHECK-NEXT: to label [[COMMON_RET:%.*]] unwind label [[LPAD2:%.*]]
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; CHECK: common.ret:
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; CHECK-NEXT: ret void
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; CHECK: lpad1:
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; CHECK-NEXT: [[EXN:%.*]] = landingpad { i8*, i32 }
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; CHECK-NEXT: filter [0 x i8*] zeroinitializer
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; CHECK-NEXT: br label [[SHARED_RESUME:%.*]]
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; CHECK: lpad2:
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; CHECK-NEXT: [[EXN2:%.*]] = landingpad { i8*, i32 }
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: br label [[SHARED_RESUME]]
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; CHECK: shared_resume:
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; CHECK-NEXT: call void @fn()
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; CHECK-NEXT: br label [[COMMON_RET]]
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;
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entry:
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invoke void @fn()
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to label %invoke2 unwind label %lpad1
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invoke2:
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invoke void @fn()
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to label %invoke.cont unwind label %lpad2
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invoke.cont:
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ret void
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lpad1:
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%exn = landingpad {i8*, i32}
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filter [0 x i8*] zeroinitializer
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br label %shared_resume
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lpad2:
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%exn2 = landingpad {i8*, i32}
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cleanup
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br label %shared_resume
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shared_resume:
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call void @fn()
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ret void
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}
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