mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 04:32:44 +01:00
e1ee7a2a1d
The -enable-new-pm=1 translation caused loop-vectorize to run on all functions, then instcombine, rather than all passes on one function then the next. This caused the output of -debug-only and -print-after to be interleaved in an unexpected way.
88 lines
3.5 KiB
LLVM
88 lines
3.5 KiB
LLVM
; REQUIRES: asserts
|
|
; RUN: opt < %s -loop-vectorize -force-vector-width=2 -force-vector-interleave=1 -instcombine -debug-only=loop-vectorize -disable-output -print-after=instcombine -enable-new-pm=0 2>&1 | FileCheck %s
|
|
; RUN: opt < %s -passes='function(loop-vectorize,instcombine)' -force-vector-width=2 -force-vector-interleave=1 -debug-only=loop-vectorize -disable-output -print-after=instcombine 2>&1 | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
|
|
|
|
; CHECK-LABEL: phi_two_incoming_values
|
|
; CHECK: LV: Found an estimated cost of 1 for VF 2 For instruction: %i = phi i64 [ %i.next, %if.end ], [ 0, %entry ]
|
|
; CHECK: LV: Found an estimated cost of 1 for VF 2 For instruction: %tmp5 = phi i32 [ %tmp1, %for.body ], [ %tmp4, %if.then ]
|
|
; CHECK: vector.body:
|
|
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
|
|
; CHECK: [[WIDE_LOAD:%.*]] = load <2 x i32>, <2 x i32>* {{.*}}
|
|
; CHECK: [[TMP5:%.*]] = icmp sgt <2 x i32> [[WIDE_LOAD]], zeroinitializer
|
|
; CHECK-NEXT: [[TMP6:%.*]] = zext <2 x i1> [[TMP5]] to <2 x i32>
|
|
; CHECK-NEXT: [[PREDPHI:%.*]] = add <2 x i32> [[WIDE_LOAD]], [[TMP6]]
|
|
; CHECK: store <2 x i32> [[PREDPHI]], <2 x i32>* {{.*}}
|
|
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 2
|
|
;
|
|
define void @phi_two_incoming_values(i32* %a, i32* %b, i64 %n) {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%i = phi i64 [ %i.next, %if.end ], [ 0, %entry ]
|
|
%tmp0 = getelementptr inbounds i32, i32* %a, i64 %i
|
|
%tmp1 = load i32, i32* %tmp0, align 4
|
|
%tmp2 = getelementptr inbounds i32, i32* %b, i64 %i
|
|
%tmp3 = icmp sgt i32 %tmp1, 0
|
|
br i1 %tmp3, label %if.then, label %if.end
|
|
|
|
if.then:
|
|
%tmp4 = add i32 %tmp1, 1
|
|
br label %if.end
|
|
|
|
if.end:
|
|
%tmp5 = phi i32 [ %tmp1, %for.body ], [ %tmp4, %if.then ]
|
|
store i32 %tmp5, i32* %tmp2, align 4
|
|
%i.next = add i64 %i, 1
|
|
%cond = icmp eq i64 %i, %n
|
|
br i1 %cond, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: phi_three_incoming_values
|
|
; CHECK: LV: Found an estimated cost of 1 for VF 2 For instruction: %i = phi i64 [ %i.next, %if.end ], [ 0, %entry ]
|
|
; CHECK: LV: Found an estimated cost of 2 for VF 2 For instruction: %tmp8 = phi i32 [ 9, %for.body ], [ 3, %if.then ], [ %tmp7, %if.else ]
|
|
; CHECK: vector.body:
|
|
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
|
|
; CHECK: [[PREDPHI:%.*]] = select <2 x i1> {{.*}}, <2 x i32> <i32 3, i32 3>, <2 x i32> <i32 9, i32 9>
|
|
; CHECK: [[PREDPHI7:%.*]] = select <2 x i1> {{.*}}, <2 x i32> {{.*}}, <2 x i32> [[PREDPHI]]
|
|
; CHECK: store <2 x i32> [[PREDPHI7]], <2 x i32>* {{.*}}
|
|
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 2
|
|
;
|
|
define void @phi_three_incoming_values(i32* %a, i32* %b, i64 %n) {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%i = phi i64 [ %i.next, %if.end ], [ 0, %entry ]
|
|
%tmp0 = getelementptr inbounds i32, i32* %a, i64 %i
|
|
%tmp1 = load i32, i32* %tmp0, align 4
|
|
%tmp2 = getelementptr inbounds i32, i32* %b, i64 %i
|
|
%tmp3 = load i32, i32* %tmp2, align 4
|
|
%tmp4 = icmp sgt i32 %tmp1, %tmp3
|
|
br i1 %tmp4, label %if.then, label %if.end
|
|
|
|
if.then:
|
|
%tmp5 = icmp sgt i32 %tmp1, 19
|
|
br i1 %tmp5, label %if.end, label %if.else
|
|
|
|
if.else:
|
|
%tmp6 = icmp slt i32 %tmp3, 4
|
|
%tmp7 = select i1 %tmp6, i32 4, i32 5
|
|
br label %if.end
|
|
|
|
if.end:
|
|
%tmp8 = phi i32 [ 9, %for.body ], [ 3, %if.then ], [ %tmp7, %if.else ]
|
|
store i32 %tmp8, i32* %tmp0, align 4
|
|
%i.next = add i64 %i, 1
|
|
%cond = icmp eq i64 %i, %n
|
|
br i1 %cond, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|