diff options
| author | Tobias Grosser <tobias@grosser.es> | 2015-06-03 18:14:58 +0300 |
|---|---|---|
| committer | Tobias Grosser <tobias@grosser.es> | 2015-06-03 18:14:58 +0300 |
| commit | 244c8297cf111014bf1ca90d2219cf6e1656721d (patch) | |
| tree | 1506012f6fd882ae6d629732cece3875249501f3 /polly/test | |
| parent | 14c4dab6036607c38f5f1dc522a5025618ef55db (diff) | |
Lower signed-divisions without rounding to ashr instructions
llvm-svn: 238929
Diffstat (limited to 'polly/test')
| -rw-r--r-- | polly/test/Isl/CodeGen/exprModDiv.ll | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/polly/test/Isl/CodeGen/exprModDiv.ll b/polly/test/Isl/CodeGen/exprModDiv.ll index 91d27fabbbc7..81a8f496c254 100644 --- a/polly/test/Isl/CodeGen/exprModDiv.ll +++ b/polly/test/Isl/CodeGen/exprModDiv.ll @@ -46,10 +46,8 @@ ; POW2: %polly.access.A6 = getelementptr float, float* %A, i64 %pexp.pdiv_r ; A[i / 128] -; POW2: %pexp.div = sdiv i64 %polly.indvar, 128 +; POW2: %pexp.div.shr = ashr i64 %polly.indvar, 7 ; POW2: %polly.access.B8 = getelementptr float, float* %B, i64 %pexp.div -; -; FIXME: Make isl mark this as an udiv expression. ; #define floord(n,d) ((n < 0) ? (n - d + 1) : n) / d ; A[p + 128 * floord(-p - 1, 128) + 128] @@ -62,8 +60,8 @@ ; POW2: %polly.access.A10 = getelementptr float, float* %A, i64 %24 ; A[p / 128] -; POW2: %pexp.div12 = sdiv i64 %p, 128 -; POW2: %polly.access.B13 = getelementptr float, float* %B, i64 %pexp.div12 +; POW2: %pexp.div.shr12 = ashr i64 %p, 7 +; POW2: %polly.access.B13 = getelementptr float, float* %B, i64 %pexp.div.shr12 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |