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Diffstat (limited to 'test/Transforms/DeadStoreElimination/context-sensitive.ll')
| -rw-r--r-- | test/Transforms/DeadStoreElimination/context-sensitive.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/Transforms/DeadStoreElimination/context-sensitive.ll b/test/Transforms/DeadStoreElimination/context-sensitive.ll new file mode 100644 index 0000000..7954310 --- /dev/null +++ b/test/Transforms/DeadStoreElimination/context-sensitive.ll @@ -0,0 +1,15 @@ +; RUN: opt < %s -dse -S | not grep DEAD +target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" + +declare void @ext() + +define i32* @caller() { + %P = malloc i32 ; <i32*> [#uses=4] + %DEAD = load i32* %P ; <i32> [#uses=1] + %DEAD2 = add i32 %DEAD, 1 ; <i32> [#uses=1] + store i32 %DEAD2, i32* %P + call void @ext( ) + store i32 0, i32* %P + ret i32* %P +} + |