Author: Simon Pilgrim Date: 2021-01-06T18:03:20Z New Revision: 3f8c2520c0424860b4bd3ae7b20f8033ed09363a
URL: https://github.com/llvm/llvm-project/commit/3f8c2520c0424860b4bd3ae7b20f8033ed09363a DIFF: https://github.com/llvm/llvm-project/commit/3f8c2520c0424860b4bd3ae7b20f8033ed09363a.diff LOG: [X86] Add commuted patterns test coverage for D93599 Suggested by @spatel Added: Modified: llvm/test/CodeGen/X86/cmp-concat.ll Removed: ################################################################################ diff --git a/llvm/test/CodeGen/X86/cmp-concat.ll b/llvm/test/CodeGen/X86/cmp-concat.ll index a622ad7faff7..e3a69df86563 100644 --- a/llvm/test/CodeGen/X86/cmp-concat.ll +++ b/llvm/test/CodeGen/X86/cmp-concat.ll @@ -35,6 +35,46 @@ define i1 @cmp_anybits_concat_i32(i32 %x, i32 %y) { ret i1 %r } +define i1 @cmp_anybits_concat_shl_shl_i16(i16 %x, i16 %y) { +; CHECK-LABEL: cmp_anybits_concat_shl_shl_i16: +; CHECK: # %bb.0: +; CHECK-NEXT: # kill: def $esi killed $esi def $rsi +; CHECK-NEXT: movzwl %di, %eax +; CHECK-NEXT: movzwl %si, %ecx +; CHECK-NEXT: shlq $32, %rax +; CHECK-NEXT: shlq $8, %rcx +; CHECK-NEXT: orq %rax, %rcx +; CHECK-NEXT: sete %al +; CHECK-NEXT: retq + %zx = zext i16 %x to i64 + %zy = zext i16 %y to i64 + %sx = shl i64 %zx, 32 + %sy = shl i64 %zy, 8 + %or = or i64 %sx, %sy + %r = icmp eq i64 %or, 0 + ret i1 %r +} + +define i1 @cmp_anybits_concat_shl_shl_i16_commute(i16 %x, i16 %y) { +; CHECK-LABEL: cmp_anybits_concat_shl_shl_i16_commute: +; CHECK: # %bb.0: +; CHECK-NEXT: # kill: def $esi killed $esi def $rsi +; CHECK-NEXT: movzwl %di, %eax +; CHECK-NEXT: movzwl %si, %ecx +; CHECK-NEXT: shlq $32, %rax +; CHECK-NEXT: shlq $8, %rcx +; CHECK-NEXT: orq %rax, %rcx +; CHECK-NEXT: sete %al +; CHECK-NEXT: retq + %zx = zext i16 %x to i64 + %zy = zext i16 %y to i64 + %sx = shl i64 %zx, 32 + %sy = shl i64 %zy, 8 + %or = or i64 %sy, %sx + %r = icmp eq i64 %or, 0 + ret i1 %r +} + define <16 x i8> @cmp_allbits_concat_v16i8(<16 x i8> %x, <16 x i8> %y) { ; CHECK-LABEL: cmp_allbits_concat_v16i8: ; CHECK: # %bb.0: _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
