PR5886: Make sure IMUL32m is marked as setting EFLAGS, so scheduling doesn't

do illegal stuff around it.  No testcase because the issue is very fragile.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92167 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 51a128aaf511fb38a7163262e22e899f1da8fb0f..4d922a54ec2cd8f2f463beb5713d1e5dba9aaa82 100644 (file)
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -1128,7 +1128,7 @@ def IMUL8m  : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
                 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
-let Defs = [EAX,EDX], Uses = [EAX] in
+let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
                 "imul{l}\t$src", []>;  // EAX,EDX = EAX*[mem32]
 }