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63079f0757
comparisons with a constant. This allows us to compile isnan to: _foo: fcmpu cr7, f1, f1 mfcr r2 rlwinm r3, r2, 0, 31, 31 blr instead of: LCPI1_0: ; float .space 4 _foo: lis r2, ha16(LCPI1_0) lfs f0, lo16(LCPI1_0)(r2) fcmpu cr7, f1, f0 mfcr r2 rlwinm r3, r2, 0, 31, 31 blr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45405 91177308-0d34-0410-b5e6-96231b3b80d8
12 lines
312 B
LLVM
12 lines
312 B
LLVM
; RUN: llvm-as < %s | llc -march=x86 -mcpu=yonah | not grep pxor
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; This should not need to materialize 0.0 to evaluate the condition.
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define i32 @test(double %X) nounwind {
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entry:
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%tmp6 = fcmp uno double %X, 0.000000e+00 ; <i1> [#uses=1]
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%tmp67 = zext i1 %tmp6 to i32 ; <i32> [#uses=1]
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ret i32 %tmp67
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}
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