SDValue Sum = DAG.getNode(X86ISD::UMUL, DL, VTs, LHS, RHS);
SDValue SetCC =
- DAG.getNode(X86ISD::SETCC, DL, MVT::i8,
+ DAG.getNode(X86ISD::SETCC, DL, N->getValueType(1),
DAG.getConstant(X86::COND_O, DL, MVT::i32),
SDValue(Sum.getNode(), 2));
; RUN: llc -mtriple=x86_64-darwin-unknown < %s | FileCheck %s --check-prefix=CHECK --check-prefix=SDAG
; RUN: llc -mtriple=x86_64-darwin-unknown -fast-isel -fast-isel-abort=1 < %s | FileCheck %s --check-prefix=CHECK --check-prefix=FAST
-
+; RUN: llc -mtriple=x86_64-darwin-unknown -mcpu=knl < %s | FileCheck %s --check-prefix=KNL
;
; Get the actual value of the overflow bit.
;
ret i1 true
}
+define i1 @bug27873(i64 %c1, i1 %c2) {
+; KNL-LABEL: bug27873:
+; KNL: ## BB#0:
+; KNL-NEXT: andl $1, %esi
+; KNL-NEXT: movl $160, %ecx
+; KNL-NEXT: movq %rdi, %rax
+; KNL-NEXT: mulq %rcx
+; KNL-NEXT: kmovw %esi, %k0
+; KNL-NEXT: seto %al
+; KNL-NEXT: kmovw %eax, %k1
+; KNL-NEXT: korw %k1, %k0, %k0
+; KNL-NEXT: kmovw %k0, %eax
+; KNL-NEXT: retq
+ %mul = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %c1, i64 160)
+ %mul.overflow = extractvalue { i64, i1 } %mul, 1
+ %x1 = or i1 %c2, %mul.overflow
+ ret i1 %x1
+}
+
declare {i8, i1} @llvm.sadd.with.overflow.i8 (i8, i8 ) nounwind readnone
declare {i16, i1} @llvm.sadd.with.overflow.i16(i16, i16) nounwind readnone
declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone