forked from OSchip/llvm-project
51 lines
2.1 KiB
LLVM
51 lines
2.1 KiB
LLVM
; RUN: opt -S -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 < %s 2>&1 | FileCheck %s
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
@a = common local_unnamed_addr global i32 0, align 4
|
|
@b = common local_unnamed_addr global i8 0, align 1
|
|
|
|
; Function Attrs: norecurse nounwind uwtable
|
|
define void @doit1() local_unnamed_addr{
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%main.iv = phi i32 [ 0, %entry ], [ %inc, %for.body ]
|
|
|
|
%i8.iv = phi i8 [ 0, %entry ], [ %i8.add, %for.body ]
|
|
%i32.iv = phi i32 [ 0, %entry ], [ %i32.add, %for.body ]
|
|
|
|
%trunc.to.be.converted.to.new.iv = trunc i32 %i32.iv to i8
|
|
%i8.add = add i8 %i8.iv, %trunc.to.be.converted.to.new.iv
|
|
|
|
%noop.conv.under.pse = and i32 %i32.iv, 255
|
|
%i32.add = add nuw nsw i32 %noop.conv.under.pse, 9
|
|
|
|
%inc = add i32 %main.iv, 1
|
|
%tobool = icmp eq i32 %inc, 16
|
|
br i1 %tobool, label %for.cond.for.end_crit_edge, label %for.body
|
|
|
|
; CHECK-LABEL: @doit1(
|
|
; CHECK: vector.body:
|
|
; CHECK-NEXT: [[MAIN_IV:%.*]] = phi i32 [ 0, [[VECTOR_PH:%.*]] ], [ [[MAIN_IV_NEXT:%.*]], [[VECTOR_BODY:%.*]] ]
|
|
; CHECK-NEXT: [[I8_IV:%.*]] = phi <4 x i8> [ zeroinitializer, [[VECTOR_PH]] ], [ [[I8_IV_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; CHECK-NEXT: [[I32_IV:%.*]] = phi <4 x i32> [ <i32 0, i32 9, i32 18, i32 27>, [[VECTOR_PH]] ], [ [[I32_IV_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; CHECK-NEXT: [[IV_FROM_TRUNC:%.*]] = phi <4 x i8> [ <i8 0, i8 9, i8 18, i8 27>, [[VECTOR_PH]] ], [ [[IV_FROM_TRUNC_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
|
|
; CHECK-NEXT: [[TMP7:%.*]] = add i32 [[MAIN_IV]], 0
|
|
|
|
; CHECK-NEXT: [[I8_IV_NEXT]] = add <4 x i8> [[I8_IV]], [[IV_FROM_TRUNC]]
|
|
|
|
; CHECK-NEXT: [[MAIN_IV_NEXT]] = add i32 [[MAIN_IV]], 4
|
|
; CHECK-NEXT: [[I32_IV_NEXT]] = add <4 x i32> [[I32_IV]], <i32 36, i32 36, i32 36, i32 36>
|
|
; CHECK-NEXT: [[IV_FROM_TRUNC_NEXT]] = add <4 x i8> [[IV_FROM_TRUNC]], <i8 36, i8 36, i8 36, i8 36>
|
|
; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i32 [[MAIN_IV_NEXT]], 16
|
|
; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0
|
|
|
|
for.cond.for.end_crit_edge:
|
|
store i8 %i8.add, i8* @b, align 1
|
|
br label %for.end
|
|
|
|
for.end:
|
|
ret void
|
|
}
|