| ; RUN: opt -S -loop-vectorize -force-vector-width=2 -force-vector-interleave=1 < %s | FileCheck %s | |
| 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" | |
| ; Make sure we can vectorize loops with functions to math library functions. | |
| ; They might read the rounding mode but we are only vectorizing loops that | |
| ; contain a limited set of function calls and none of them sets the rounding | |
| ; mode, so vectorizing them is safe. | |
| ; CHECK-LABEL: @test( | |
| ; CHECK: <2 x double> | |
| define void @test(double* %d, double %t) { | |
| entry: | |
| br label %for.body | |
| for.body: | |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] | |
| %arrayidx = getelementptr inbounds double, double* %d, i64 %indvars.iv | |
| %0 = load double, double* %arrayidx, align 8 | |
| %1 = tail call double @llvm.pow.f64(double %0, double %t) | |
| store double %1, double* %arrayidx, align 8 | |
| %indvars.iv.next = add i64 %indvars.iv, 1 | |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32 | |
| %exitcond = icmp ne i32 %lftr.wideiv, 128 | |
| br i1 %exitcond, label %for.body, label %for.end | |
| for.end: | |
| ret void | |
| } | |
| declare double @llvm.pow.f64(double, double) |