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66 lines
1.5 KiB
LLVM
66 lines
1.5 KiB
LLVM
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; RUN: not llvm-as < %s -o /dev/null |& FileCheck %s
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; PR1042
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define i32 @foo() {
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; CHECK: The unwind destination does not have a landingpad instruction
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%A = invoke i32 @foo( )
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to label %L unwind label %L ; <i32> [#uses=1]
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L: ; preds = %0, %0
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ret i32 %A
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}
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; PR1042
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define i32 @bar() {
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br i1 false, label %L1, label %L2
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L1: ; preds = %0
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%A = invoke i32 @bar( )
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to label %L unwind label %L ; <i32> [#uses=1]
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L2: ; preds = %0
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br label %L
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L: ; preds = %L2, %L1, %L1
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; CHECK: The unwind destination does not have a landingpad instruction
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; CHECK: Instruction does not dominate all uses
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ret i32 %A
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}
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declare i32 @__gxx_personality_v0(...)
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declare void @llvm.donothing()
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declare void @llvm.trap()
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declare i8 @llvm.expect.i8(i8,i8)
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declare i32 @fn(i8 (i8, i8)*)
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define void @f1() {
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entry:
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; OK
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invoke void @llvm.donothing()
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to label %cont unwind label %cont
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cont:
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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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ret void
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}
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define i8 @f2() {
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entry:
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; CHECK: Cannot invoke an intrinsinc other than donothing
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invoke void @llvm.trap()
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to label %cont unwind label %lpad
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cont:
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ret i8 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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ret i8 2
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}
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define i32 @f3() {
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entry:
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; CHECK: Cannot take the address of an intrinsic
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%call = call i32 @fn(i8 (i8, i8)* @llvm.expect.i8)
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ret i32 %call
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}
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