79 lines
2.2 KiB
LLVM
79 lines
2.2 KiB
LLVM
; RUN: llc -march=hexagon -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s
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; CHECK: .cfi_def_cfa r30
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; CHECK: .cfi_offset r31
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; CHECK: .cfi_offset r30
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@g0 = global i32 0, align 4
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@g1 = external constant i8*
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define i32 @f0() personality i8* bitcast (i32 (...)* @f3 to i8*) {
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b0:
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%v0 = alloca i32, align 4
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%v1 = alloca i8*
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%v2 = alloca i32
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%v3 = alloca i32, align 4
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store i32 0, i32* %v0
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%v4 = call i8* @f1(i32 4) #1
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%v5 = bitcast i8* %v4 to i32*
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store i32 20, i32* %v5
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invoke void @f2(i8* %v4, i8* bitcast (i8** @g1 to i8*), i8* null) #2
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to label %b6 unwind label %b1
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b1: ; preds = %b0
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%v6 = landingpad { i8*, i32 }
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catch i8* bitcast (i8** @g1 to i8*)
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%v7 = extractvalue { i8*, i32 } %v6, 0
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store i8* %v7, i8** %v1
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%v8 = extractvalue { i8*, i32 } %v6, 1
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store i32 %v8, i32* %v2
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br label %b2
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b2: ; preds = %b1
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%v9 = load i32, i32* %v2
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%v10 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @g1 to i8*)) #1
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%v11 = icmp eq i32 %v9, %v10
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br i1 %v11, label %b3, label %b5
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b3: ; preds = %b2
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%v12 = load i8*, i8** %v1
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%v13 = call i8* @f4(i8* %v12) #1
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%v14 = bitcast i8* %v13 to i32*
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%v15 = load i32, i32* %v14, align 4
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store i32 %v15, i32* %v3, align 4
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%v16 = load i32, i32* %v3, align 4
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store i32 %v16, i32* @g0, align 4
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call void @f5() #1
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br label %b4
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b4: ; preds = %b3
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%v17 = load i32, i32* @g0, align 4
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ret i32 %v17
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b5: ; preds = %b2
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%v18 = load i8*, i8** %v1
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%v19 = load i32, i32* %v2
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%v20 = insertvalue { i8*, i32 } undef, i8* %v18, 0
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%v21 = insertvalue { i8*, i32 } %v20, i32 %v19, 1
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resume { i8*, i32 } %v21
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b6: ; preds = %b0
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unreachable
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}
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declare i8* @f1(i32)
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declare void @f2(i8*, i8*, i8*)
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declare i32 @f3(...)
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; Function Attrs: nounwind readnone
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declare i32 @llvm.eh.typeid.for(i8*) #0
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declare i8* @f4(i8*)
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declare void @f5()
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attributes #0 = { nounwind readnone }
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attributes #1 = { nounwind }
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attributes #2 = { noreturn }
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