| # RUN: llc -march=x86-64 -run-pass mir-canonicalizer -verify-machineinstrs -o - %s | FileCheck %s | 
 | # RUN: llc -march=x86-64 -run-pass mir-canonicalizer -mir-vreg-namer-use-stable-hash -verify-machineinstrs -o - %s | FileCheck %s | 
 | # The purpose of this test is to ensure that differing flags do in-fact cause | 
 | # naming collisions with the new vreg renamers naming scheme. | 
 | --- | | 
 |   target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" | 
 |   define void @baz() { unreachable } | 
 | ... | 
 | --- | 
 | name:            baz | 
 | body:             | | 
 |   bb.0: | 
 |  | 
 |     ; CHECK: COPY | 
 |     ; CHECK-NEXT: %bb0_{{[0-9a-f]+}}__1:fr32 = nnan VMULSSrr | 
 |     ; CHECK-NEXT: %bb0_{{[0-9a-f]+}}__1:fr32 = ninf VMULSSrr | 
 |     ; CHECK-NEXT: %bb0_{{[0-9a-f]+}}__1:fr32 = nsz VMULSSrr | 
 |     ; CHECK-NEXT: %bb0_{{[0-9a-f]+}}__1:fr32 = arcp VMULSSrr | 
 |     ; CHECK-NEXT: %bb0_{{[0-9a-f]+}}__1:fr32 = contract VMULSSrr | 
 |     ; CHECK-NEXT: %bb0_{{[0-9a-f]+}}__1:fr32 = afn VMULSSrr | 
 |     ; CHECK-NEXT: %bb0_{{[0-9a-f]+}}__1:fr32 = reassoc VMULSSrr | 
 |     ; CHECK-NEXT: %bb0_{{[0-9a-f]+}}__1:fr32 = nsz arcp contract afn reassoc VMULSSrr | 
 |     ; CHECK-NEXT: %bb0_{{[0-9a-f]+}}__1:fr32 = contract afn reassoc VMULSSrr | 
 |  | 
 |     %0:fr32 = COPY $xmm0 | 
 |     %1:fr32 = nnan VMULSSrr %0, %0, implicit $mxcsr | 
 |     %2:fr32 = ninf VMULSSrr %1, %1, implicit $mxcsr | 
 |     %3:fr32 = nsz VMULSSrr %2, %2, implicit $mxcsr | 
 |     %4:fr32 = arcp VMULSSrr %3, %3, implicit $mxcsr | 
 |     %5:fr32 = contract VMULSSrr %4, %4, implicit $mxcsr | 
 |     %6:fr32 = afn VMULSSrr %5, %5, implicit $mxcsr | 
 |     %7:fr32 = reassoc VMULSSrr %6, %6, implicit $mxcsr | 
 |     %8:fr32 = nsz arcp contract afn reassoc VMULSSrr %7, %7, implicit $mxcsr | 
 |     %9:fr32 = contract afn reassoc VMULSSrr %8, %8, implicit $mxcsr | 
 |     $xmm0 = COPY %9 | 
 |     RET 0, $xmm0 | 
 |  | 
 | ... |