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cf082ae903
This update was done with the following bash script:
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while read NAME; do
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TEMP=`mktemp -t temp`
cp $NAME $TEMP
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llvm-svn: 186268
140 lines
3.6 KiB
LLVM
140 lines
3.6 KiB
LLVM
; RUN: opt < %s -simplifycfg -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 @__cxa_call_unexpected(i8*)
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declare void @purefn() nounwind readnone
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declare i32 @read_only() nounwind readonly
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declare i32 @nounwind_fn() nounwind
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declare i32 @fn()
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; CHECK-LABEL: @f1(
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define i8* @f1() nounwind uwtable ssp {
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entry:
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; CHECK: call void @llvm.trap()
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; CHECK: unreachable
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%call = invoke noalias i8* undef()
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to label %invoke.cont unwind label %lpad
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invoke.cont:
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ret i8* %call
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lpad:
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%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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filter [0 x i8*] zeroinitializer
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%1 = extractvalue { i8*, i32 } %0, 0
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tail call void @__cxa_call_unexpected(i8* %1) noreturn nounwind
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unreachable
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}
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; CHECK-LABEL: @f2(
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define i8* @f2() nounwind uwtable ssp {
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entry:
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; CHECK: call void @llvm.trap()
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; CHECK: unreachable
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%call = invoke noalias i8* null()
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to label %invoke.cont unwind label %lpad
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invoke.cont:
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ret i8* %call
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lpad:
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%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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filter [0 x i8*] zeroinitializer
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%1 = extractvalue { i8*, i32 } %0, 0
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tail call void @__cxa_call_unexpected(i8* %1) noreturn nounwind
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unreachable
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}
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; CHECK-LABEL: @f3(
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define i32 @f3() nounwind uwtable ssp {
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; CHECK-NEXT: entry
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entry:
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; CHECK-NEXT: ret i32 3
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%call = invoke i32 @read_only()
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to label %invoke.cont unwind label %lpad
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invoke.cont:
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ret i32 3
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lpad:
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%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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filter [0 x i8*] zeroinitializer
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%1 = extractvalue { i8*, i32 } %0, 0
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tail call void @__cxa_call_unexpected(i8* %1) noreturn nounwind
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unreachable
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}
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; CHECK-LABEL: @f4(
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define i32 @f4() nounwind uwtable ssp {
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; CHECK-NEXT: entry
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entry:
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; CHECK-NEXT: call i32 @read_only()
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%call = invoke i32 @read_only()
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to label %invoke.cont unwind label %lpad
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invoke.cont:
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; CHECK-NEXT: ret i32 %call
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ret i32 %call
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lpad:
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%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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filter [0 x i8*] zeroinitializer
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%1 = extractvalue { i8*, i32 } %0, 0
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tail call void @__cxa_call_unexpected(i8* %1) noreturn nounwind
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unreachable
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}
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; CHECK-LABEL: @f5(
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define i32 @f5(i1 %cond, i8* %a, i8* %b) {
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entry:
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br i1 %cond, label %x, label %y
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x:
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; CHECK: invoke i32 @fn()
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%call = invoke i32 @fn()
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to label %cont unwind label %lpad
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y:
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; CHECK: call i32 @nounwind_fn()
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%call2 = invoke i32 @nounwind_fn()
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to label %cont unwind label %lpad
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cont:
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; CHECK: phi i32
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; CHECK: ret i32 %phi
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%phi = phi i32 [%call, %x], [%call2, %y]
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ret i32 %phi
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lpad:
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; CHECK-NOT: phi
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%phi2 = phi i8* [%a, %x], [%b, %y]
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%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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filter [0 x i8*] zeroinitializer
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; CHECK: __cxa_call_unexpected(i8* %a)
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tail call void @__cxa_call_unexpected(i8* %phi2) noreturn nounwind
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unreachable
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}
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; CHECK-LABEL: @f6(
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define void @f6() {
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entry:
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invoke void @purefn()
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to label %invoke.cont1 unwind label %lpad
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invoke.cont1:
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%foo = invoke i32 @fn()
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to label %invoke.cont2 unwind label %lpad
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invoke.cont2:
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ret void
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lpad:
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; CHECK-NOT: phi
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%tmp = phi i8* [ null, %invoke.cont1 ], [ null, %entry ]
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landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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cleanup
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ret void
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}
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