Simplify the testcase a bit.

I checked that it would still crash llc before the corresponding fix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170709 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/PowerPC/in-asm-f64-reg.ll

@@ -1,22 +1,11 @@
 ; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu | FileCheck %s
 
-target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
-target triple = "powerpc64-bgq-linux"
-
-define void @_Z15quad_copy_1024nPcS_m() nounwind {
-; CHECK: @_Z15quad_copy_1024nPcS_m
+define void @f() {
+; CHECK: @f
 
 entry:
-  br i1 undef, label %short_msg, label %if.end
-
-if.end:                                           ; preds = %entry
-  %0 = tail call double* asm sideeffect "qvstfdux $2,$0,$1", "=b,{r7},{f11},0,~{memory}"(i32 64, double undef, double* undef) nounwind, !srcloc !0
-  unreachable
+  %0 = tail call double* asm sideeffect "qvstfdux $2,$0,$1", "=b,{r7},{f11},0,~{memory}"(i32 64, double undef, double* undef)
+  ret void
 
 ; CHECK: qvstfdux 11,{{[0-9]+}},7
-
-short_msg:                                        ; preds = %entry
-  ret void
 }
-
-!0 = metadata !{i32 -2147422199}