1 ; RUN: opt -S -loop-vectorize -force-vector-width=2 -force-vector-interleave=1 < %s | FileCheck %s
3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
5 ; Make sure we can vectorize loops with functions to math library functions.
6 ; They might read the rounding mode but we are only vectorizing loops that
7 ; contain a limited set of function calls and none of them sets the rounding
8 ; mode, so vectorizing them is safe.
13 define void @test(double* %d, double %t) {
18 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
19 %arrayidx = getelementptr inbounds double, double* %d, i64 %indvars.iv
20 %0 = load double, double* %arrayidx, align 8
21 %1 = tail call double @llvm.pow.f64(double %0, double %t)
22 store double %1, double* %arrayidx, align 8
23 %indvars.iv.next = add i64 %indvars.iv, 1
24 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
25 %exitcond = icmp ne i32 %lftr.wideiv, 128
26 br i1 %exitcond, label %for.body, label %for.end
32 declare double @llvm.pow.f64(double, double)