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Diffstat (limited to 'test/Transforms/Util/MemorySSA/no-disconnected.ll')
| -rw-r--r-- | test/Transforms/Util/MemorySSA/no-disconnected.ll | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/test/Transforms/Util/MemorySSA/no-disconnected.ll b/test/Transforms/Util/MemorySSA/no-disconnected.ll deleted file mode 100644 index d1dcb15893ad..000000000000 --- a/test/Transforms/Util/MemorySSA/no-disconnected.ll +++ /dev/null @@ -1,43 +0,0 @@ -; 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 -; -; This test ensures we don't end up with multiple reaching defs for a single -; use/phi edge If we were to optimize defs, we would end up with 2= -; MemoryDef(liveOnEntry) and 4 = MemoryDef(liveOnEntry) Both would mean both -; 1,2, and 3,4 would reach the phi node. Because the phi node can only have one -; entry on each edge, it would choose 2, 4 and disconnect 1 and 3 completely -; from the SSA graph, even though they are not dead - -define void @sink_store(i32 %index, i32* %foo, i32* %bar) { -entry: - %cmp = trunc i32 %index to i1 - br i1 %cmp, label %if.then, label %if.else - -if.then: ; preds = %entry -; CHECK: 1 = MemoryDef(liveOnEntry) -; CHECK-NEXT: store i32 %index, i32* %foo, align 4 - store i32 %index, i32* %foo, align 4 -; CHECK: 2 = MemoryDef(1) -; CHECK-NEXT: store i32 %index, i32* %bar, align 4 - store i32 %index, i32* %bar, align 4 - br label %if.end - -if.else: ; preds = %entry -; CHECK: 3 = MemoryDef(liveOnEntry) -; CHECK-NEXT: store i32 %index, i32* %foo, align 4 - store i32 %index, i32* %foo, align 4 -; CHECK: 4 = MemoryDef(3) -; CHECK-NEXT: store i32 %index, i32* %bar, align 4 - store i32 %index, i32* %bar, align 4 - br label %if.end - -if.end: ; preds = %if.else, %if.then -; CHECK: 5 = MemoryPhi({if.then,2},{if.else,4}) -; CHECK: MemoryUse(5) -; CHECK-NEXT: %c = load i32, i32* %foo - %c = load i32, i32* %foo -; CHECK: MemoryUse(5) -; CHECK-NEXT: %d = load i32, i32* %bar - %d = load i32, i32* %bar - ret void -} |
