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| author | Sanjay Patel <spatel@rotateright.com> | 2017-06-28 16:56:45 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2017-06-28 16:56:45 +0000 |
| commit | 1a132d27c6abb6e2f3caa7a9da459604bd993125 (patch) | |
| tree | 6a333880b4b853082327fce373e545e723dd0226 | |
| parent | 22033efc2989b0fbf316ec14e8d7af200f6041ad (diff) | |
| download | bcm5719-llvm-1a132d27c6abb6e2f3caa7a9da459604bd993125.tar.gz bcm5719-llvm-1a132d27c6abb6e2f3caa7a9da459604bd993125.zip | |
[InstCombine] add tests for icmp with bswapped operands; NFC
llvm-svn: 306563
| -rw-r--r-- | llvm/test/Transforms/InstCombine/icmp.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/icmp.ll b/llvm/test/Transforms/InstCombine/icmp.ll index 0e2627b1768..03a9f527555 100644 --- a/llvm/test/Transforms/InstCombine/icmp.ll +++ b/llvm/test/Transforms/InstCombine/icmp.ll @@ -2980,3 +2980,33 @@ define <2 x i1> @eq_mul_constants_with_tz_splat(<2 x i32> %x, <2 x i32> %y) { ret <2 x i1> %C } +declare i32 @llvm.bswap.i32(i32) + +define i1 @bswap_ne(i32 %x, i32 %y) { +; CHECK-LABEL: @bswap_ne( +; CHECK-NEXT: [[SWAPX:%.*]] = call i32 @llvm.bswap.i32(i32 %x) +; CHECK-NEXT: [[SWAPY:%.*]] = call i32 @llvm.bswap.i32(i32 %y) +; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[SWAPX]], [[SWAPY]] +; CHECK-NEXT: ret i1 [[CMP]] +; + %swapx = call i32 @llvm.bswap.i32(i32 %x) + %swapy = call i32 @llvm.bswap.i32(i32 %y) + %cmp = icmp ne i32 %swapx, %swapy + ret i1 %cmp +} + +declare <8 x i16> @llvm.bswap.v8i16(<8 x i16>) + +define <8 x i1> @bswap_vec_eq(<8 x i16> %x, <8 x i16> %y) { +; CHECK-LABEL: @bswap_vec_eq( +; CHECK-NEXT: [[SWAPX:%.*]] = call <8 x i16> @llvm.bswap.v8i16(<8 x i16> %x) +; CHECK-NEXT: [[SWAPY:%.*]] = call <8 x i16> @llvm.bswap.v8i16(<8 x i16> %y) +; CHECK-NEXT: [[CMP:%.*]] = icmp eq <8 x i16> [[SWAPX]], [[SWAPY]] +; CHECK-NEXT: ret <8 x i1> [[CMP]] +; + %swapx = call <8 x i16> @llvm.bswap.v8i16(<8 x i16> %x) + %swapy = call <8 x i16> @llvm.bswap.v8i16(<8 x i16> %y) + %cmp = icmp eq <8 x i16> %swapx, %swapy + ret <8 x i1> %cmp +} + |
