[PATCH] D63038: [SimplifyLibCalls] powf(x, sitofp(n)) -> powi(x, n)

[Dávid Bolvanský via Phabricator via llvm-commits]

xbolva00 marked an inline comment as done.
xbolva00 added inline comments.


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Comment at: test/Transforms/InstCombine/pow_fp_int.ll:75
 ; CHECK-LABEL: @pow_sitofp_const_base_power_of_2_no_fast(
-; CHECK-NEXT:    [[SUBFP:%.*]] = sitofp i32 [[X:%.*]] to float
-; CHECK-NEXT:    [[MUL:%.*]] = fmul float [[SUBFP]], 4.000000e+00
-; CHECK-NEXT:    [[EXP2:%.*]] = call float @llvm.exp2.f32(float [[MUL]])
-; CHECK-NEXT:    [[RES:%.*]] = fpext float [[EXP2]] to double
+; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.powi.f32(float 1.600000e+01, i32 [[X:%.*]])
+; CHECK-NEXT:    [[RES:%.*]] = fpext float [[TMP1]] to double
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@spatel @nikic what do you think about this case ? 


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  https://reviews.llvm.org/D63038/new/

https://reviews.llvm.org/D63038