diff options
| author | Shih-wei Liao <sliao@google.com> | 2012-08-03 00:11:18 -0700 |
|---|---|---|
| committer | Shih-wei Liao <sliao@google.com> | 2012-08-03 00:11:18 -0700 |
| commit | 7744acd1ab73b3eec6f1449f47083abe3fb1b527 (patch) | |
| tree | 17ef28b6d1034fdea7f42a19bebe7ad834901d62 /test/Transforms/Sink/basic.ll | |
| parent | 4a05ed708aed4c7a099d924ed3feb604d3e44074 (diff) | |
| parent | a94d6e87c4c49f2e81b01d66d8bfb591277f8f96 (diff) | |
| download | external_llvm-7744acd1ab73b3eec6f1449f47083abe3fb1b527.zip external_llvm-7744acd1ab73b3eec6f1449f47083abe3fb1b527.tar.gz external_llvm-7744acd1ab73b3eec6f1449f47083abe3fb1b527.tar.bz2 | |
Merge with LLVM upstream r160668 (Jul 24th 2012)
Conflicts:
include/llvm/Support/ELF.h
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
lib/Support/Memory.cpp
lib/Transforms/Instrumentation/AddressSanitizer.cpp
Change-Id: Iddd658cf2eadc7165b2805b446d31af2c5c9917f
Diffstat (limited to 'test/Transforms/Sink/basic.ll')
| -rw-r--r-- | test/Transforms/Sink/basic.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/Transforms/Sink/basic.ll b/test/Transforms/Sink/basic.ll index 4c531d8..1d0b6b5 100644 --- a/test/Transforms/Sink/basic.ll +++ b/test/Transforms/Sink/basic.ll @@ -36,3 +36,29 @@ true: false: ret i32 0 } + +; Sink to the nearest post-dominator + +; CHECK: @diamond +; CHECK: X: +; CHECK-NEXT: phi +; CHECK-NEXT: mul nsw +; CHECK-NEXT: sub + +define i32 @diamond(i32 %a, i32 %b, i32 %c) { + %1 = mul nsw i32 %c, %b + %2 = icmp sgt i32 %a, 0 + br i1 %2, label %B0, label %B1 + +B0: ; preds = %0 + br label %X + +B1: ; preds = %0 + br label %X + +X: ; preds = %5, %3 + %.01 = phi i32 [ %c, %B0 ], [ %a, %B1 ] + %R = sub i32 %1, %.01 + ret i32 %R +} + |