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| author | Craig Topper <craig.topper@intel.com> | 2017-08-14 19:09:32 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2017-08-14 19:09:32 +0000 |
| commit | 69fa8e0d99177045e5ad3bef42360c635736c428 (patch) | |
| tree | e2950fb3e5fe4cd4229e6d01624f82b80cdd8937 /llvm/test/Transforms/InstSimplify/select.ll | |
| parent | 9c7b881677f65fce8cfbc6ec70c44790576b6ea5 (diff) | |
| download | bcm5719-llvm-69fa8e0d99177045e5ad3bef42360c635736c428.tar.gz bcm5719-llvm-69fa8e0d99177045e5ad3bef42360c635736c428.zip | |
Revert r310869 "[InstSimplify][InstCombine] Modify the interface of decomposeBitTestICmp and use it in the InstSimplify"
Failed to add the two files that moved. And then added an extra change I didn't mean to while trying to fix that. Reverting everything.
llvm-svn: 310873
Diffstat (limited to 'llvm/test/Transforms/InstSimplify/select.ll')
| -rw-r--r-- | llvm/test/Transforms/InstSimplify/select.ll | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/llvm/test/Transforms/InstSimplify/select.ll b/llvm/test/Transforms/InstSimplify/select.ll index 4134191a3cf..e9c94170a94 100644 --- a/llvm/test/Transforms/InstSimplify/select.ll +++ b/llvm/test/Transforms/InstSimplify/select.ll @@ -160,10 +160,13 @@ define <2 x i8> @test11vec(<2 x i8> %X) { ret <2 x i8> %sel } +; TODO: we should be able to simplify this define i32 @test12(i32 %X) { ; CHECK-LABEL: @test12( -; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 3 -; CHECK-NEXT: ret i32 [[AND]] +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[X:%.*]], 4 +; CHECK-NEXT: [[AND:%.*]] = and i32 [[X]], 3 +; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[AND]] +; CHECK-NEXT: ret i32 [[COND]] ; %cmp = icmp ult i32 %X, 4 %and = and i32 %X, 3 @@ -186,10 +189,13 @@ define i32 @test12noncanon(i32 %X) { ret i32 %cond } +; TODO: we should be able to simplify this define i32 @test13(i32 %X) { ; CHECK-LABEL: @test13( -; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 3 -; CHECK-NEXT: ret i32 [[AND]] +; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[X:%.*]], 3 +; CHECK-NEXT: [[AND:%.*]] = and i32 [[X]], 3 +; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], i32 [[AND]], i32 [[X]] +; CHECK-NEXT: ret i32 [[COND]] ; %cmp = icmp ugt i32 %X, 3 %and = and i32 %X, 3 |
