[llvm-commits] CVS: llvm/test/Regression/CodeGen/X86/compare_folding.llx

[Chris Lattner]

Changes in directory llvm/test/Regression/CodeGen/X86:

compare_folding.llx added (r1.1)

---
Log message:

Test that the X86 backend is only emitting one fucom instruction
for each 'COM =' line.


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Diffs of the changes:  (+11 -0)

Index: llvm/test/Regression/CodeGen/X86/compare_folding.llx
diff -c /dev/null llvm/test/Regression/CodeGen/X86/compare_folding.llx:1.1
*** /dev/null	Fri Jun 11 00:30:44 2004
--- llvm/test/Regression/CodeGen/X86/compare_folding.llx	Fri Jun 11 00:30:34 2004
***************
*** 0 ****
--- 1,11 ----
+ ; RUN: llvm-as < %s | llc -march=x86 | grep com | wc -l > %t2
+ ; RUN: grep 'COM =' %s | grep -v grep | wc -l > %t1
+ ; RUN: diff %t1 %t2
+ declare bool %llvm.isnan(double)
+ 
+ bool %test1(double %X, double %Y) {  ;; Returns isunordered(X,Y)
+ 	%a = call bool %llvm.isnan(double %X)
+ 	%b = call bool %llvm.isnan(double %Y)
+ 	%COM = or bool %a, %b
+ 	ret bool %COM
+ }