You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
41 lines
1.4 KiB
41 lines
1.4 KiB
; RUN: opt -S -indvars < %s | FileCheck %s
|
|
|
|
; Provide legal integer types.
|
|
target datalayout = "n8:16:32:64"
|
|
|
|
|
|
define void @test1(float* nocapture %autoc, float* nocapture %data, float %d, i32 %data_len, i32 %sample) nounwind {
|
|
entry:
|
|
%sub = sub i32 %data_len, %sample
|
|
%cmp4 = icmp eq i32 %data_len, %sample
|
|
br i1 %cmp4, label %for.end, label %for.body
|
|
|
|
for.body: ; preds = %entry, %for.body
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
|
|
%0 = trunc i64 %indvars.iv to i32
|
|
%add = add i32 %0, %sample
|
|
%idxprom = zext i32 %add to i64
|
|
%arrayidx = getelementptr inbounds float, float* %data, i64 %idxprom
|
|
%1 = load float, float* %arrayidx, align 4
|
|
%mul = fmul float %1, %d
|
|
%arrayidx2 = getelementptr inbounds float, float* %autoc, i64 %indvars.iv
|
|
%2 = load float, float* %arrayidx2, align 4
|
|
%add3 = fadd float %2, %mul
|
|
store float %add3, float* %arrayidx2, align 4
|
|
%indvars.iv.next = add i64 %indvars.iv, 1
|
|
%3 = trunc i64 %indvars.iv.next to i32
|
|
%cmp = icmp ult i32 %3, %sub
|
|
br i1 %cmp, label %for.body, label %for.end
|
|
|
|
for.end: ; preds = %for.body, %entry
|
|
ret void
|
|
|
|
; CHECK-LABEL: @test1(
|
|
|
|
; check that we turn the IV test into an eq.
|
|
; CHECK: %lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
; CHECK: %exitcond = icmp ne i32 %lftr.wideiv, %sub
|
|
; CHECK: br i1 %exitcond, label %for.body, label %for.end.loopexit
|
|
}
|
|
|