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| author | Daniel Berlin <dberlin@dberlin.org> | 2017-04-11 20:06:36 +0000 |
|---|---|---|
| committer | Daniel Berlin <dberlin@dberlin.org> | 2017-04-11 20:06:36 +0000 |
| commit | 554dcd8c89e36d1444d29709cfdf1e043d8923aa (patch) | |
| tree | e3608e593cc690628f5dfeeb171b3f054033a4e2 /llvm/test/Analysis/MemorySSA/multiple-locations.ll | |
| parent | 03b2a8e47e3c780920e89b0b0e05e960a2007e4f (diff) | |
| download | bcm5719-llvm-554dcd8c89e36d1444d29709cfdf1e043d8923aa.tar.gz bcm5719-llvm-554dcd8c89e36d1444d29709cfdf1e043d8923aa.zip | |
MemorySSA: Move to Analysis, from Transforms/Utils. It's used as
Analysis, it has Analysis passes, and once NewGVN is made an Analysis,
this removes the cross dependency from Analysis to Transform/Utils.
NFC.
llvm-svn: 299980
Diffstat (limited to 'llvm/test/Analysis/MemorySSA/multiple-locations.ll')
| -rw-r--r-- | llvm/test/Analysis/MemorySSA/multiple-locations.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/llvm/test/Analysis/MemorySSA/multiple-locations.ll b/llvm/test/Analysis/MemorySSA/multiple-locations.ll new file mode 100644 index 00000000000..9a3e87e4ab6 --- /dev/null +++ b/llvm/test/Analysis/MemorySSA/multiple-locations.ll @@ -0,0 +1,25 @@ +; RUN: opt -basicaa -print-memoryssa -verify-memoryssa -analyze < %s 2>&1 | FileCheck %s +; RUN: opt -aa-pipeline=basic-aa -passes='print<memoryssa>,verify<memoryssa>' -disable-output < %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 +} |
