66 lines
1.8 KiB
LLVM
66 lines
1.8 KiB
LLVM
; RUN: llc -O2 %s -o - | FileCheck %s
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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; Function Attrs: nounwind
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #0
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declare void @f1()
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declare void @f2()
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declare void @f3()
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declare void @f4()
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; Function Attrs: nounwind
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; CHECK-LABEL: tail_dup_fallthrough_with_branch
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; CHECK: # %bb.{{[0-9]+}}: # %entry
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; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}}
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; CHECK: # %bb.{{[0-9]+}}: # %entry
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; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}}
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; CHECK: # %bb.{{[0-9]+}}: # %sw.0
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; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}}
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; CHECK: # %sw.1
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; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}}
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; CHECK: # %sw.default
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; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}}
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; CHECK: # %bb.{{[0-9]+}}: # %if.then
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; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}}
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; CHECK: # %if.else
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; CHECK-NOT: # %{{[-_a-zA-Z0-9]+}}
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; CHECK: .Lfunc_end0
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define fastcc void @tail_dup_fallthrough_with_branch(i32 %a, i1 %b) unnamed_addr #0 {
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entry:
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switch i32 %a, label %sw.default [
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i32 0, label %sw.0
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i32 1, label %sw.1
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]
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sw.0: ; preds = %entry
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call void @f1() #0
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br label %dup1
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sw.1: ; preds = %entry
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call void @f2() #0
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br label %dup1
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sw.default: ; preds = %entry
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br i1 %b, label %if.then, label %if.else
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if.then: ; preds = %sw.default
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call void @f3() #0
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br label %dup2
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if.else: ; preds = %sw.default
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call void @f4() #0
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br label %dup2
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dup1: ; preds = %sw.0, %sw.1
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call void @llvm.lifetime.end.p0i8(i64 8, i8* nonnull undef) #0
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unreachable
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dup2: ; preds = %if.then, %if.else
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call void @llvm.lifetime.end.p0i8(i64 8, i8* nonnull undef) #0
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unreachable
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}
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attributes #0 = { nounwind }
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