| ; RUN: opt < %s -slp-vectorizer -o - -S -slp-threshold=-1000 |
| |
| target datalayout = "e-p:32:32-i64:64-v16:16-v32:32-n16:32:64" |
| target triple = "nvptx--nvidiacl" |
| |
| ; CTLZ cannot be vectorized currently because the second argument is a scalar |
| ; for both the scalar and vector forms of the intrinsic. In the future it |
| ; should be possible to vectorize such functions. |
| ; Test causes an assert if LLVM tries to vectorize CTLZ. |
| |
| define <2 x i8> @cltz_test(<2 x i8> %x) #0 { |
| entry: |
| %0 = extractelement <2 x i8> %x, i32 0 |
| %call.i = call i8 @llvm.ctlz.i8(i8 %0, i1 false) |
| %vecinit = insertelement <2 x i8> undef, i8 %call.i, i32 0 |
| %1 = extractelement <2 x i8> %x, i32 1 |
| %call.i4 = call i8 @llvm.ctlz.i8(i8 %1, i1 false) |
| %vecinit2 = insertelement <2 x i8> %vecinit, i8 %call.i4, i32 1 |
| ret <2 x i8> %vecinit2 |
| } |
| |
| define <2 x i8> @cltz_test2(<2 x i8> %x) #1 { |
| entry: |
| %0 = extractelement <2 x i8> %x, i32 0 |
| %1 = extractelement <2 x i8> %x, i32 1 |
| %call.i = call i8 @llvm.ctlz.i8(i8 %0, i1 false) |
| %call.i4 = call i8 @llvm.ctlz.i8(i8 %1, i1 false) |
| %vecinit = insertelement <2 x i8> undef, i8 %call.i, i32 0 |
| %vecinit2 = insertelement <2 x i8> %vecinit, i8 %call.i4, i32 1 |
| ret <2 x i8> %vecinit2 |
| } |
| |
| declare i8 @llvm.ctlz.i8(i8, i1) #3 |
| |
| attributes #0 = { alwaysinline nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { nounwind readnone } |