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Diffstat (limited to 'llvm/test/CodeGen/Hexagon/swp-fix-last-use.ll')
-rw-r--r-- | llvm/test/CodeGen/Hexagon/swp-fix-last-use.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Hexagon/swp-fix-last-use.ll b/llvm/test/CodeGen/Hexagon/swp-fix-last-use.ll new file mode 100644 index 00000000000..877c2c9ba1c --- /dev/null +++ b/llvm/test/CodeGen/Hexagon/swp-fix-last-use.ll @@ -0,0 +1,32 @@ +; RUN: llc -march=hexagon -enable-pipeliner < %s +; REQUIRES: asserts + +; We need to rename uses that occurs after the loop. + +define void @f0() #0 { +b0: + br i1 undef, label %b1, label %b5 + +b1: ; preds = %b0 + br i1 undef, label %b2, label %b4 + +b2: ; preds = %b2, %b1 + %v0 = phi i32 [ %v1, %b2 ], [ 1, %b1 ] + store i16 0, i16* undef, align 2 + store i16 0, i16* undef, align 2 + %v1 = add nsw i32 %v0, 4 + %v2 = icmp slt i32 %v1, undef + br i1 %v2, label %b2, label %b3 + +b3: ; preds = %b2 + %v3 = icmp eq i32 %v1, undef + br i1 %v3, label %b5, label %b4 + +b4: ; preds = %b4, %b3, %b1 + br i1 undef, label %b5, label %b4 + +b5: ; preds = %b4, %b3, %b0 + ret void +} + +attributes #0 = { nounwind "target-cpu"="hexagonv55" } |