| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-- -mattr=+sse2 -enable-unsafe-fp-math | FileCheck %s |
| |
| ; Don't fold the incoming stack arguments into the xorps instructions used |
| ; to do floating-point negations, because the arguments aren't vectors |
| ; and aren't vector-aligned. |
| |
| define void @foo(ptr %p, ptr %q, float %s, float %y) nounwind { |
| ; CHECK-LABEL: foo: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: pushl %esi |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; CHECK-NEXT: movl $-2147483648, %edx # imm = 0x80000000 |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; CHECK-NEXT: xorl %edx, %esi |
| ; CHECK-NEXT: movl %esi, (%ecx) |
| ; CHECK-NEXT: xorl {{[0-9]+}}(%esp), %edx |
| ; CHECK-NEXT: movl %edx, (%eax) |
| ; CHECK-NEXT: popl %esi |
| ; CHECK-NEXT: retl |
| %ss = fsub float -0.0, %s |
| %yy = fsub float -0.0, %y |
| store float %ss, ptr %p |
| store float %yy, ptr %q |
| ret void |
| } |
