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- ; 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)
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