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| author | Nadav Rotem <nrotem@apple.com> | 2013-05-10 22:59:33 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2013-05-10 22:59:33 +0000 |
| commit | 9bba9f630005409f43bc3b0480e18fa9f8d43e69 (patch) | |
| tree | 1dbc0e17fa72f098ec38d772e18c135578ce149d /test/Transforms | |
| parent | 09ec4b21648700f9d4ef5bc90d732f90f32c930c (diff) | |
| download | external_llvm-9bba9f630005409f43bc3b0480e18fa9f8d43e69.zip external_llvm-9bba9f630005409f43bc3b0480e18fa9f8d43e69.tar.gz external_llvm-9bba9f630005409f43bc3b0480e18fa9f8d43e69.tar.bz2 | |
SLPVectorizer: Add support for trees with external users.
For example:
bar() {
int a = A[i];
int b = A[i+1];
B[i] = a;
B[i+1] = b;
foo(a); <--- a is used outside the vectorized expression.
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181648 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/SLPVectorizer/X86/diamond.ll | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/test/Transforms/SLPVectorizer/X86/diamond.ll b/test/Transforms/SLPVectorizer/X86/diamond.ll index 8e85cb6..49c8712 100644 --- a/test/Transforms/SLPVectorizer/X86/diamond.ll +++ b/test/Transforms/SLPVectorizer/X86/diamond.ll @@ -41,7 +41,7 @@ entry: } -; int foo_fail(int * restrict B, int * restrict A, int n, int m) { +; int extr_user(int * restrict B, int * restrict A, int n, int m) { ; B[0] = n * A[0] + m * A[0]; ; B[1] = n * A[1] + m * A[1]; ; B[2] = n * A[2] + m * A[2]; @@ -49,10 +49,11 @@ entry: ; return A[0]; ; } -; CHECK: @foo_fail -; CHECK-NOT: load <4 x i32> +; CHECK: @extr_user +; CHECK: store <4 x i32> +; CHECK-NEXT: extractelement <4 x i32> ; CHECK: ret -define i32 @foo_fail(i32* noalias nocapture %B, i32* noalias nocapture %A, i32 %n, i32 %m) { +define i32 @extr_user(i32* noalias nocapture %B, i32* noalias nocapture %A, i32 %n, i32 %m) { entry: %0 = load i32* %A, align 4 %mul238 = add i32 %m, %n |