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Test that the X86 backend is only emitting one fucom instruction

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for each 'COM =' line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14147 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-06-11 05:30:34 +00:00
parent 57790422ca
commit c31ae50c04
1 changed files with 11 additions and 0 deletions
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11
test/CodeGen/X86/compare_folding.llx Normal file
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; 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
}