forked from OSchip/llvm-project
49 lines
1.2 KiB
LLVM
49 lines
1.2 KiB
LLVM
; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s --match-full-lines
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; RUN: verify-uselistorder %s
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define i32 @test1(i32 %X) {
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; Implicit entry label. Not printed on output.
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%1 = alloca i32
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br label %2
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; Implicit label ids still allowed.
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br label %3
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3: ; Explicit numeric label
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br label %"2"
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"2": ; string label, quoted number
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br label %-3
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-3: ; numeric-looking, but actually string, label
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br label %-N-
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-N-:
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br label %$N
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$N:
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%4 = add i32 1, 1
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ret i32 %4
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}
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; CHECK-LABEL: define i32 @test1(i32 %X) {
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; CHECK-NEXT: %1 = alloca i32
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; CHECK-NEXT: br label %2
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; CHECK: 2: ; preds = %0
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; CHECK-NEXT: br label %3
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; CHECK: 3: ; preds = %2
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; CHECK-NEXT: br label %"2"
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; CHECK: "2": ; preds = %3
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; CHECK-NEXT: br label %-3
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; CHECK: -3: ; preds = %"2"
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; CHECK-NEXT: br label %-N-
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; CHECK: -N-: ; preds = %-3
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; CHECK-NEXT: br label %"$N"
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; CHECK: "$N": ; preds = %-N-
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; CHECK-NEXT: %4 = add i32 1, 1
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; CHECK-NEXT: ret i32 %4
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; CHECK-NEXT: }
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define void @test2(i32 %0, i32 %1) {
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; entry label id still not printed on output
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2:
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ret void
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}
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; CHECK-LABEL: define void @test2(i32 %0, i32 %1) {
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; CHECK-NEXT: ret void
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