mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-10-31 08:16:47 +00:00
e96fec2e43
strides Fixes PR18480. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199291 91177308-0d34-0410-b5e6-96231b3b80d8
88 lines
2.6 KiB
LLVM
88 lines
2.6 KiB
LLVM
; RUN: opt -basicaa -loop-vectorize -enable-mem-access-versioning -force-vector-width=2 -force-vector-unroll=1 < %s -S | FileCheck %s
|
|
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
; CHECK-LABEL: test
|
|
define void @test(i32* noalias %A, i64 %AStride,
|
|
i32* noalias %B, i32 %BStride,
|
|
i32* noalias %C, i64 %CStride, i32 %N) {
|
|
entry:
|
|
%cmp13 = icmp eq i32 %N, 0
|
|
br i1 %cmp13, label %for.end, label %for.body.preheader
|
|
|
|
; CHECK-DAG: icmp ne i64 %AStride, 1
|
|
; CHECK-DAG: icmp ne i32 %BStride, 1
|
|
; CHECK-DAG: icmp ne i64 %CStride, 1
|
|
; CHECK: or
|
|
; CHECK: or
|
|
; CHECK: br
|
|
|
|
; CHECK: vector.body
|
|
; CHECK: load <2 x i32>
|
|
|
|
for.body.preheader:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
|
|
%iv.trunc = trunc i64 %indvars.iv to i32
|
|
%mul = mul i32 %iv.trunc, %BStride
|
|
%mul64 = zext i32 %mul to i64
|
|
%arrayidx = getelementptr inbounds i32* %B, i64 %mul64
|
|
%0 = load i32* %arrayidx, align 4
|
|
%mul2 = mul nsw i64 %indvars.iv, %CStride
|
|
%arrayidx3 = getelementptr inbounds i32* %C, i64 %mul2
|
|
%1 = load i32* %arrayidx3, align 4
|
|
%mul4 = mul nsw i32 %1, %0
|
|
%mul3 = mul nsw i64 %indvars.iv, %AStride
|
|
%arrayidx7 = getelementptr inbounds i32* %A, i64 %mul3
|
|
store i32 %mul4, i32* %arrayidx7, align 4
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %N
|
|
br i1 %exitcond, label %for.end.loopexit, label %for.body
|
|
|
|
for.end.loopexit:
|
|
br label %for.end
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
; We used to crash on this function because we removed the fptosi cast when
|
|
; replacing the symbolic stride '%conv'.
|
|
; PR18480
|
|
|
|
; CHECK-LABEL: fn1
|
|
; CHECK: load <2 x double>
|
|
|
|
define void @fn1(double* noalias %x, double* noalias %c, double %a) {
|
|
entry:
|
|
%conv = fptosi double %a to i32
|
|
%cmp8 = icmp sgt i32 %conv, 0
|
|
br i1 %cmp8, label %for.body.preheader, label %for.end
|
|
|
|
for.body.preheader:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
|
|
%0 = trunc i64 %indvars.iv to i32
|
|
%mul = mul nsw i32 %0, %conv
|
|
%idxprom = sext i32 %mul to i64
|
|
%arrayidx = getelementptr inbounds double* %x, i64 %idxprom
|
|
%1 = load double* %arrayidx, align 8
|
|
%arrayidx3 = getelementptr inbounds double* %c, i64 %indvars.iv
|
|
store double %1, double* %arrayidx3, align 8
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %conv
|
|
br i1 %exitcond, label %for.end.loopexit, label %for.body
|
|
|
|
for.end.loopexit:
|
|
br label %for.end
|
|
|
|
for.end:
|
|
ret void
|
|
}
|