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| author | Sanjoy Das <sanjoy@playingwithpointers.com> | 2016-06-05 21:17:00 +0000 |
|---|---|---|
| committer | Sanjoy Das <sanjoy@playingwithpointers.com> | 2016-06-05 21:17:00 +0000 |
| commit | 0dcd1d859c6f9f069e5f73baf6b071e774944b04 (patch) | |
| tree | 4f0fe4c0d04b1adafb43397b7030f0fe9bf00751 /llvm/test/Transforms | |
| parent | aa77fa00368f4c0fff241a956ebe06ed31b0327f (diff) | |
| download | bcm5719-llvm-0dcd1d859c6f9f069e5f73baf6b071e774944b04.tar.gz bcm5719-llvm-0dcd1d859c6f9f069e5f73baf6b071e774944b04.zip | |
Add test case for InstCombiner::commonIRemTransforms; NFC
The PHI case in commonIRemTransforms was untested; add a trivial test
case.
llvm-svn: 271856
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/rem.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/rem.ll b/llvm/test/Transforms/InstCombine/rem.ll index 227344f16f2..8011316fe73 100644 --- a/llvm/test/Transforms/InstCombine/rem.ll +++ b/llvm/test/Transforms/InstCombine/rem.ll @@ -231,3 +231,26 @@ define <2 x i64> @test20(<2 x i64> %X, <2 x i1> %C) { %R = urem <2 x i64> %V, <i64 2, i64 3> ret <2 x i64> %R } + +define i32 @test21(i1 %c0, i32* %val) { +; CHECK-LABEL: @test21( +entry: + br i1 %c0, label %if.then, label %if.end + +if.then: +; CHECK: if.then: +; CHECK-NEXT: %v = load volatile i32, i32* %val, align 4 +; CHECK-NEXT: %phitmp = srem i32 %v, 5 + + %v = load volatile i32, i32* %val + br label %if.end + +if.end: +; CHECK: if.end: +; CHECK-NEXT: %lhs = phi i32 [ %phitmp, %if.then ], [ 0, %entry ] +; CHECK-NEXT: ret i32 %lhs + + %lhs = phi i32 [ %v, %if.then ], [ 5, %entry ] + %rem = srem i32 %lhs, 5 + ret i32 %rem +} |
