Author: Paweł Bylica Date: 2022-08-16T10:03:45+02:00 New Revision: 77ce35a1d7e040d752fe89c1c8a20710354e235f
URL: https://github.com/llvm/llvm-project/commit/77ce35a1d7e040d752fe89c1c8a20710354e235f DIFF: https://github.com/llvm/llvm-project/commit/77ce35a1d7e040d752fe89c1c8a20710354e235f.diff LOG: [test][DAGCombine] Add tests for combining carry diamond. NFC Added: Modified: llvm/test/CodeGen/X86/subcarry.ll Removed: ################################################################################ diff --git a/llvm/test/CodeGen/X86/subcarry.ll b/llvm/test/CodeGen/X86/subcarry.ll index 1ee37297dfee..50186308e39b 100644 --- a/llvm/test/CodeGen/X86/subcarry.ll +++ b/llvm/test/CodeGen/X86/subcarry.ll @@ -310,15 +310,16 @@ define { i64, i64, i1 } @subcarry_2x64_add_reversed(i64 %x0, i64 %x1, i64 %y0, i ; CHECK-LABEL: subcarry_2x64_add_reversed: ; CHECK: # %bb.0: ; CHECK-NEXT: movq %rdi, %rax -; CHECK-NEXT: movq %rsi, %rdi -; CHECK-NEXT: subq %rcx, %rdi +; CHECK-NEXT: xorl %edi, %edi ; CHECK-NEXT: subq %rdx, %rax -; CHECK-NEXT: sbbq $0, %rdi -; CHECK-NEXT: setb %r8b +; CHECK-NEXT: setb %dil +; CHECK-NEXT: movq %rsi, %rdx +; CHECK-NEXT: subq %rcx, %rdx +; CHECK-NEXT: subq %rdi, %rdx +; CHECK-NEXT: setb %dil ; CHECK-NEXT: cmpq %rcx, %rsi -; CHECK-NEXT: adcb $0, %r8b -; CHECK-NEXT: movq %rdi, %rdx -; CHECK-NEXT: movl %r8d, %ecx +; CHECK-NEXT: adcb $0, %dil +; CHECK-NEXT: movl %edi, %ecx ; CHECK-NEXT: retq %t0 = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %x0, i64 %y0) %s0 = extractvalue { i64, i1 } %t0, 0 @@ -346,7 +347,8 @@ define { i64, i1 } @subcarry_fake_carry(i64 %a, i64 %b, i1 %carryin) { ; CHECK-LABEL: subcarry_fake_carry: ; CHECK: # %bb.0: ; CHECK-NEXT: movq %rdi, %rax -; CHECK-NEXT: btl $0, %edx +; CHECK-NEXT: andb $1, %dl +; CHECK-NEXT: addb $-1, %dl ; CHECK-NEXT: sbbq %rsi, %rax ; CHECK-NEXT: setb %dl ; CHECK-NEXT: retq _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
