Turn on post-alloc scheduling for x86.

[oota-llvm.git] / test / CodeGen / X86 / inline-asm-fpstack.ll

diff --git a/test/CodeGen/X86/inline-asm-fpstack.ll b/test/CodeGen/X86/inline-asm-fpstack.ll
index 1e308d9b78de243ff861e38ff5b7c25370437df8..09b09295153ef10fec0431b7f699ad0910d01610 100644 (file)
--- a/test/CodeGen/X86/inline-asm-fpstack.ll
+++ b/test/CodeGen/X86/inline-asm-fpstack.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llc -march=x86
+; RUN: llc < %s -march=x86
 
 define x86_fp80 @test1() {
         %tmp85 = call x86_fp80 asm sideeffect "fld0", "={st(0)}"()
@@ -21,9 +21,23 @@ define void @test4(double %X) {
 }
 
 define void @test5(double %X) {
-        %Y = add double %X, 123.0
+        %Y = fadd double %X, 123.0
         call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( double %Y)
         ret void
 }
 
+define void @test6(double %A, double %B, double %C, 
+                   double %D, double %E) nounwind  {
+entry:
+       ; Uses the same value twice, should have one fstp after the asm.
+       tail call void asm sideeffect "foo $0 $1", "f,f,~{dirflag},~{fpsr},~{flags}"( double %A, double %A ) nounwind 
+       ; Uses two different values, should be in st(0)/st(1) and both be popped.
+       tail call void asm sideeffect "bar $0 $1", "f,f,~{dirflag},~{fpsr},~{flags}"( double %B, double %C ) nounwind 
+       ; Uses two different values, one of which isn't killed in this asm, it
+       ; should not be popped after the asm.
+       tail call void asm sideeffect "baz $0 $1", "f,f,~{dirflag},~{fpsr},~{flags}"( double %D, double %E ) nounwind 
+       ; This is the last use of %D, so it should be popped after.
+       tail call void asm sideeffect "baz $0", "f,~{dirflag},~{fpsr},~{flags}"( double %D ) nounwind 
+       ret void
+}