2013-07-01 00:54:44 +00:00
|
|
|
; RUN: opt -S -loop-vectorize -force-vector-width=2 -force-vector-unroll=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.
|
|
|
|
|
|
2013-10-02 20:29:00 +00:00
|
|
|
; CHECK-LABEL: @test(
|
2013-07-01 00:54:44 +00:00
|
|
|
; 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* %d, i64 %indvars.iv
|
|
|
|
|
%0 = load 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)
|
