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Diffstat (limited to 'test/CodeGen/MIR/successor-basic-blocks.mir')
| -rw-r--r-- | test/CodeGen/MIR/successor-basic-blocks.mir | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/test/CodeGen/MIR/successor-basic-blocks.mir b/test/CodeGen/MIR/successor-basic-blocks.mir new file mode 100644 index 0000000000000..3fe01e3ad4388 --- /dev/null +++ b/test/CodeGen/MIR/successor-basic-blocks.mir @@ -0,0 +1,58 @@ +# RUN: llc -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s +# This test ensures that the MIR parser parses basic block successors correctly. + +--- | + + define i32 @foo(i32 %a) { + entry: + %0 = icmp sle i32 %a, 10 + br i1 %0, label %less, label %exit + + less: + ret i32 0 + + exit: + ret i32 %a + } + + define i32 @bar(i32 %a) { + entry: + %b = icmp sle i32 %a, 10 + br i1 %b, label %0, label %1 + + ; <label>:0 + ret i32 0 + + ; <label>:1 + ret i32 %a + } + +... +--- +name: foo +body: + # CHECK: name: entry + # CHECK: successors: [ '%bb.1.less', '%bb.2.exit' ] + # CHECK: name: less + - id: 0 + name: entry + successors: [ '%bb.1.less', '%bb.2.exit' ] + - id: 1 + name: less + - id: 2 + name: exit +... +--- +name: bar +body: + # CHECK: name: bar + # CHECK: name: entry + # CHECK: successors: [ '%bb.1', '%bb.2' ] + # CHECK: id: 1 + # CHECK: id: 2 + - id: 0 + name: entry + successors: [ '%bb.1', '%bb.2' ] + - id: 1 + - id: 2 +... |