Add comment to test file I forgot to save

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292178 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/win-math.ll b/test/Transforms/InstCombine/win-math.ll
index 42b315928b7bb3902adaf9ad997a266e929fd735..5542a2a18381457a84431aef8358a2b99fb3a768 100644 (file)
--- a/test/Transforms/InstCombine/win-math.ll
+++ b/test/Transforms/InstCombine/win-math.ll
@@ -274,7 +274,9 @@ define float @float_round(float %x) nounwind readnone {
 }
 
 declare float @powf(float, float)
-; win32 lacks sqrtf&fabsf, win64 lacks fabsf
+
+; win32 lacks sqrtf&fabsf, win64 lacks fabsf, but
+; calls to the intrinsics can be emitted instead.
 define float @float_powsqrt(float %x) nounwind readnone {
 ; WIN32-LABEL: @float_powsqrt(
 ; WIN32-NOT: float @sqrtf