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Diffstat (limited to 'test/CodeGen/ARM/fast-isel-br-phi.ll')
-rw-r--r-- | test/CodeGen/ARM/fast-isel-br-phi.ll | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/fast-isel-br-phi.ll b/test/CodeGen/ARM/fast-isel-br-phi.ll new file mode 100644 index 0000000..a0aba69 --- /dev/null +++ b/test/CodeGen/ARM/fast-isel-br-phi.ll @@ -0,0 +1,44 @@ +; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios + +; This test ensures HandlePHINodesInSuccessorBlocks() is able to promote basic +; non-legal integer types (i.e., i1, i8, i16). + +declare void @fooi8(i8) +declare void @fooi16(i16) + +define void @foo(i1 %cmp) nounwind ssp { +entry: + br i1 %cmp, label %cond.true, label %cond.false + +cond.true: ; preds = %entry + br label %cond.end + +cond.false: ; preds = %entry + br label %cond.end + +cond.end: ; preds = %cond.false, %cond.true + %cond = phi i1 [ 0, %cond.true ], [ 1, %cond.false ] + br i1 %cond, label %cond.true8, label %cond.false8 + +cond.true8: ; preds = %cond.end + br label %cond.end8 + +cond.false8: ; preds = %cond.end + br label %cond.end8 + +cond.end8: ; preds = %cond.false8, %cond.true8 + %cond8 = phi i8 [ 0, %cond.true8 ], [ 1, %cond.false8 ] + call void @fooi8(i8 %cond8) + br i1 0, label %cond.true16, label %cond.false16 + +cond.true16: ; preds = %cond.end8 + br label %cond.end16 + +cond.false16: ; preds = %cond.end8 + br label %cond.end16 + +cond.end16: ; preds = %cond.false16, %cond.true16 + %cond16 = phi i16 [ 0, %cond.true16 ], [ 1, %cond.false16 ] + call void @fooi16(i16 %cond16) + ret void +} |