diff options
| author | George Burgess IV <george.burgess.iv@gmail.com> | 2016-02-05 00:42:02 +0000 |
|---|---|---|
| committer | George Burgess IV <george.burgess.iv@gmail.com> | 2016-02-05 00:42:02 +0000 |
| commit | 43d8365ecb2bd2412b4b9952b2069a71034f0b47 (patch) | |
| tree | 10ab52a9181109e5cfb375c6722e1f1c3dac024c /llvm/test/Transforms/Util/MemorySSA/multiple-locations.ll | |
| parent | f01be74f16071c5e28bb1d326c1b8d7dbe976dcc (diff) | |
| download | bcm5719-llvm-43d8365ecb2bd2412b4b9952b2069a71034f0b47.tar.gz bcm5719-llvm-43d8365ecb2bd2412b4b9952b2069a71034f0b47.zip | |
Add a test for MemorySSA. NFC.
We don't currently have many tests that deal with operations on multiple
local MemoryLocations. This new test helps out a bit in that regard.
llvm-svn: 259854
Diffstat (limited to 'llvm/test/Transforms/Util/MemorySSA/multiple-locations.ll')
| -rw-r--r-- | llvm/test/Transforms/Util/MemorySSA/multiple-locations.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/test/Transforms/Util/MemorySSA/multiple-locations.ll b/llvm/test/Transforms/Util/MemorySSA/multiple-locations.ll new file mode 100644 index 00000000000..f4fe1d1a0b5 --- /dev/null +++ b/llvm/test/Transforms/Util/MemorySSA/multiple-locations.ll @@ -0,0 +1,24 @@ +; RUN: opt -basicaa -print-memoryssa -verify-memoryssa -analyze < %s 2>&1 | FileCheck %s +; +; Checks that basicAA is doing some amount of disambiguation for us + +define i32 @foo(i1 %cond) { + %a = alloca i32, align 4 + %b = alloca i32, align 4 +; CHECK: 1 = MemoryDef(liveOnEntry) +; CHECK-NEXT: store i32 0 + store i32 0, i32* %a, align 4 +; CHECK: 2 = MemoryDef(1) +; CHECK-NEXT: store i32 1 + store i32 1, i32* %b, align 4 + +; CHECK: MemoryUse(1) +; CHECK-NEXT: %1 = load i32 + %1 = load i32, i32* %a, align 4 +; CHECK: MemoryUse(2) +; CHECK-NEXT: %2 = load i32 + %2 = load i32, i32* %b, align 4 + + %3 = add i32 %1, %2 + ret i32 %3 +} |
