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test/Transforms/LoopVectorize/reduction-small-size.ll
; RUN: opt < %s -force-vector-width=4 -force-vector-interleave=1 -loop-vectorize -S | FileCheck %s | ; RUN: opt < %s -force-vector-width=4 -force-vector-interleave=1 -loop-vectorize -S | FileCheck %s | ||||
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" | ||||
; CHECK-LABEL: @PR34687( | ; CHECK-LABEL: @PR34687( | ||||
; CHECK: vector.body: | ; CHECK: vector.body: | ||||
; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %[[LATCH:.*]] ] | ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %[[LATCH:.*]] ] | ||||
; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ [[TMP17:%.*]], %[[LATCH]] ] | ; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ [[TMP17:%.*]], %[[LATCH]] ] | ||||
; CHECK: [[LATCH]]: | ; CHECK: [[LATCH]]: | ||||
; CHECK: [[TMP13:%.*]] = and <4 x i32> [[VEC_PHI]], <i32 255, i32 255, i32 255, i32 255> | ; CHECK: [[TMP13:%.*]] = and <4 x i32> [[VEC_PHI]], <i32 255, i32 255, i32 255, i32 255> | ||||
; CHECK-NEXT: [[TMP14:%.*]] = add nuw nsw <4 x i32> [[TMP13]], {{.*}} | ; CHECK-NEXT: [[TMP14:%.*]] = add nuw nsw <4 x i32> [[TMP13]], {{.*}} | ||||
; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4 | ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4 | ||||
; CHECK: [[TMP16:%.*]] = trunc <4 x i32> [[TMP14]] to <4 x i8> | ; CHECK: [[TMP16:%.*]] = trunc <4 x i32> [[TMP14]] to <4 x i8> | ||||
; CHECK-NEXT: [[TMP17]] = zext <4 x i8> [[TMP16]] to <4 x i32> | ; CHECK-NEXT: [[TMP17]] = zext <4 x i8> [[TMP16]] to <4 x i32> | ||||
; CHECK-NEXT: br i1 {{.*}}, label %middle.block, label %vector.body | ; CHECK-NEXT: br i1 {{.*}}, label %middle.block, label %vector.body | ||||
; | ; | ||||
define void @PR34687(i1 %c, i32 %x, i32 %n) { | define i8 @PR34687(i1 %c, i32 %x, i32 %n) { | ||||
entry: | entry: | ||||
br label %for.body | br label %for.body | ||||
for.body: | for.body: | ||||
%i = phi i32 [ 0, %entry ], [ %i.next, %if.end ] | %i = phi i32 [ 0, %entry ], [ %i.next, %if.end ] | ||||
%r = phi i32 [ 0, %entry ], [ %r.next, %if.end ] | %r = phi i32 [ 0, %entry ], [ %r.next, %if.end ] | ||||
br i1 %c, label %if.then, label %if.end | br i1 %c, label %if.then, label %if.end | ||||
if.then: | if.then: | ||||
%tmp0 = sdiv i32 undef, undef | %tmp0 = sdiv i32 undef, undef | ||||
br label %if.end | br label %if.end | ||||
if.end: | if.end: | ||||
%tmp1 = and i32 %r, 255 | %tmp1 = and i32 %r, 255 | ||||
%i.next = add nsw i32 %i, 1 | %i.next = add nsw i32 %i, 1 | ||||
%r.next = add nuw nsw i32 %tmp1, %x | %r.next = add nuw nsw i32 %tmp1, %x | ||||
%cond = icmp eq i32 %i.next, %n | %cond = icmp eq i32 %i.next, %n | ||||
br i1 %cond, label %for.end, label %for.body | br i1 %cond, label %for.end, label %for.body | ||||
for.end: | for.end: | ||||
%tmp2 = phi i32 [ %r.next, %if.end ] | %tmp2 = phi i32 [ %r.next, %if.end ] | ||||
ret void | %tmp3 = trunc i32 %tmp2 to i8 | ||||
ret i8 %tmp3 | |||||
} | |||||
; CHECK-LABEL: @PR35734( | |||||
; CHECK: vector.ph: | |||||
; CHECK: [[TMP3:%.*]] = insertelement <4 x i32> zeroinitializer, i32 %y, i32 0 | |||||
; CHECK-NEXT: br label %vector.body | |||||
; CHECK: vector.body: | |||||
; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] | |||||
; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ [[TMP3]], %vector.ph ], [ [[TMP9:%.*]], %vector.body ] | |||||
; CHECK: [[TMP5:%.*]] = and <4 x i32> [[VEC_PHI]], <i32 1, i32 1, i32 1, i32 1> | |||||
; CHECK-NEXT: [[TMP6:%.*]] = add <4 x i32> [[TMP5]], <i32 -1, i32 -1, i32 -1, i32 -1> | |||||
; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4 | |||||
; CHECK: [[TMP8:%.*]] = trunc <4 x i32> [[TMP6]] to <4 x i1> | |||||
; CHECK-NEXT: [[TMP9]] = sext <4 x i1> [[TMP8]] to <4 x i32> | |||||
; CHECK-NEXT: br i1 {{.*}}, label %middle.block, label %vector.body | |||||
; | |||||
define i32 @PR35734(i32 %x, i32 %y) { | |||||
entry: | |||||
br label %for.body | |||||
for.body: | |||||
%i = phi i32 [ %x, %entry ], [ %i.next, %for.body ] | |||||
%r = phi i32 [ %y, %entry ], [ %r.next, %for.body ] | |||||
%tmp0 = and i32 %r, 1 | |||||
%r.next = add i32 %tmp0, -1 | |||||
%i.next = add nsw i32 %i, 1 | |||||
%cond = icmp sgt i32 %i, 77 | |||||
br i1 %cond, label %for.end, label %for.body | |||||
for.end: | |||||
%tmp1 = phi i32 [ %r.next, %for.body ] | |||||
ret i32 %tmp1 | |||||
} | } |