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|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=newgvn -enable-phi-of-ops=true -S -o - %s | FileCheck %s
define void @hoisted-load(ptr %p, ptr %q) {
; CHECK-LABEL: @hoisted-load(
; CHECK-NEXT: bb56:
; CHECK-NEXT: [[N60:%.*]] = load i8, ptr [[P:%.*]], align 1
; CHECK-NEXT: br label [[BB57:%.*]]
; CHECK: bb57:
; CHECK-NEXT: [[PHIOFOPS:%.*]] = phi i1 [ true, [[BB56:%.*]] ], [ [[N62:%.*]], [[BB229:%.*]] ]
; CHECK-NEXT: [[N59:%.*]] = phi i1 [ false, [[BB229]] ], [ true, [[BB56]] ]
; CHECK-NEXT: [[IDX:%.*]] = phi i8 [ 0, [[BB56]] ], [ [[INC:%.*]], [[BB229]] ]
; CHECK-NEXT: [[N62]] = icmp ne i8 [[N60]], 2
; CHECK-NEXT: br i1 [[PHIOFOPS]], label [[BB229]], label [[BB237:%.*]]
; CHECK: bb229:
; CHECK-NEXT: [[INC]] = add i8 [[IDX]], 1
; CHECK-NEXT: store i8 [[INC]], ptr [[Q:%.*]], align 1
; CHECK-NEXT: br label [[BB57]]
; CHECK: bb237:
; CHECK-NEXT: ret void
;
bb56:
%n60 = load i8, ptr %p
br label %bb57
bb57:
%n59 = phi i1 [ false, %bb229 ], [ true, %bb56 ]
%idx = phi i8 [0, %bb56], [%inc, %bb229]
%n62 = icmp ne i8 %n60, 2
%n63 = or i1 %n59, %n62
br i1 %n63, label %bb229, label %bb237
bb229:
%inc = add i8 %idx, 1
store i8 %inc, ptr %q
br label %bb57
bb237:
ret void
}
define void @store-in-loop(ptr %p, ptr %q) {
; CHECK-LABEL: @store-in-loop(
; CHECK-NEXT: bb56:
; CHECK-NEXT: br label [[BB57:%.*]]
; CHECK: bb57:
; CHECK-NEXT: [[N59:%.*]] = phi i1 [ false, [[BB229:%.*]] ], [ true, [[BB56:%.*]] ]
; CHECK-NEXT: [[IDX:%.*]] = phi i8 [ 0, [[BB56]] ], [ [[INC:%.*]], [[BB229]] ]
; CHECK-NEXT: [[N60:%.*]] = load i8, ptr [[P:%.*]], align 1
; CHECK-NEXT: [[N62:%.*]] = icmp ne i8 [[N60]], 2
; CHECK-NEXT: [[N63:%.*]] = or i1 [[N59]], [[N62]]
; CHECK-NEXT: br i1 [[N63]], label [[BB229]], label [[BB237:%.*]]
; CHECK: bb229:
; CHECK-NEXT: [[INC]] = add i8 [[IDX]], 1
; CHECK-NEXT: store i8 [[INC]], ptr [[Q:%.*]], align 1
; CHECK-NEXT: br label [[BB57]]
; CHECK: bb237:
; CHECK-NEXT: ret void
;
bb56:
br label %bb57
bb57:
%n59 = phi i1 [ false, %bb229 ], [ true, %bb56 ]
%idx = phi i8 [0, %bb56], [%inc, %bb229]
%n60 = load i8, ptr %p
%n62 = icmp ne i8 %n60, 2
%n63 = or i1 %n59, %n62
br i1 %n63, label %bb229, label %bb237
bb229:
%inc = add i8 %idx, 1
store i8 %inc, ptr %q
br label %bb57
bb237:
ret void
}
; TODO: we should support this case
define void @no-alias-store-in-loop(ptr noalias %p, ptr noalias %q) {
; CHECK-LABEL: @no-alias-store-in-loop(
; CHECK-NEXT: bb56:
; CHECK-NEXT: br label [[BB57:%.*]]
; CHECK: bb57:
; CHECK-NEXT: [[N59:%.*]] = phi i1 [ false, [[BB229:%.*]] ], [ true, [[BB56:%.*]] ]
; CHECK-NEXT: [[IDX:%.*]] = phi i8 [ 0, [[BB56]] ], [ [[INC:%.*]], [[BB229]] ]
; CHECK-NEXT: [[N60:%.*]] = load i8, ptr [[P:%.*]], align 1
; CHECK-NEXT: [[N62:%.*]] = icmp ne i8 [[N60]], 2
; CHECK-NEXT: [[N63:%.*]] = or i1 [[N59]], [[N62]]
; CHECK-NEXT: br i1 [[N63]], label [[BB229]], label [[BB237:%.*]]
; CHECK: bb229:
; CHECK-NEXT: [[INC]] = add i8 [[IDX]], 1
; CHECK-NEXT: store i8 [[INC]], ptr [[Q:%.*]], align 1
; CHECK-NEXT: br label [[BB57]]
; CHECK: bb237:
; CHECK-NEXT: ret void
;
bb56:
br label %bb57
bb57:
%n59 = phi i1 [ false, %bb229 ], [ true, %bb56 ]
%idx = phi i8 [0, %bb56], [%inc, %bb229]
%n60 = load i8, ptr %p
%n62 = icmp ne i8 %n60, 2
%n63 = or i1 %n59, %n62
br i1 %n63, label %bb229, label %bb237
bb229:
%inc = add i8 %idx, 1
store i8 %inc, ptr %q
br label %bb57
bb237:
ret void
}
define void @function-in-loop(ptr %p) {
; CHECK-LABEL: @function-in-loop(
; CHECK-NEXT: bb56:
; CHECK-NEXT: br label [[BB57:%.*]]
; CHECK: bb57:
; CHECK-NEXT: [[N59:%.*]] = phi i1 [ false, [[BB229:%.*]] ], [ true, [[BB56:%.*]] ]
; CHECK-NEXT: [[N60:%.*]] = load i8, ptr [[P:%.*]], align 1
; CHECK-NEXT: [[N62:%.*]] = icmp ne i8 [[N60]], 2
; CHECK-NEXT: [[N63:%.*]] = or i1 [[N59]], [[N62]]
; CHECK-NEXT: br i1 [[N63]], label [[BB229]], label [[BB237:%.*]]
; CHECK: bb229:
; CHECK-NEXT: call void @f()
; CHECK-NEXT: br label [[BB57]]
; CHECK: bb237:
; CHECK-NEXT: ret void
;
bb56:
br label %bb57
bb57:
%n59 = phi i1 [ false, %bb229 ], [ true, %bb56 ]
%n60 = load i8, ptr %p
%n62 = icmp ne i8 %n60, 2
%n63 = or i1 %n59, %n62
br i1 %n63, label %bb229, label %bb237
bb229:
call void @f()
br label %bb57
bb237:
ret void
}
; TODO: we should support this case
define void @nowrite-function-in-loop(ptr %p) {
; CHECK-LABEL: @nowrite-function-in-loop(
; CHECK-NEXT: bb56:
; CHECK-NEXT: br label [[BB57:%.*]]
; CHECK: bb57:
; CHECK-NEXT: [[N59:%.*]] = phi i1 [ false, [[BB229:%.*]] ], [ true, [[BB56:%.*]] ]
; CHECK-NEXT: [[N60:%.*]] = load i8, ptr [[P:%.*]], align 1
; CHECK-NEXT: [[N62:%.*]] = icmp ne i8 [[N60]], 2
; CHECK-NEXT: [[N63:%.*]] = or i1 [[N59]], [[N62]]
; CHECK-NEXT: br i1 [[N63]], label [[BB229]], label [[BB237:%.*]]
; CHECK: bb229:
; CHECK-NEXT: call void @f() #[[ATTR0:[0-9]+]]
; CHECK-NEXT: br label [[BB57]]
; CHECK: bb237:
; CHECK-NEXT: ret void
;
bb56:
br label %bb57
bb57:
%n59 = phi i1 [ false, %bb229 ], [ true, %bb56 ]
%n60 = load i8, ptr %p
%n62 = icmp ne i8 %n60, 2
%n63 = or i1 %n59, %n62
br i1 %n63, label %bb229, label %bb237
bb229:
call void @f() inaccessiblememonly
br label %bb57
bb237:
ret void
}
declare void @f()
define void @issfeoperand(ptr nocapture readonly %array, i1 %cond1, i1 %cond2, ptr nocapture readonly %p1, ptr nocapture writeonly %p2, ptr nocapture writeonly %p3) local_unnamed_addr #0 {
; CHECK-LABEL: @issfeoperand(
; CHECK-NEXT: for.body:
; CHECK-NEXT: br i1 [[COND1:%.*]], label [[COND_TRUE:%.*]], label [[COND_FALSE:%.*]]
; CHECK: cond.true:
; CHECK-NEXT: [[ARRAYIDX31:%.*]] = getelementptr inbounds [3 x [2 x [1 x i8]]], ptr [[ARRAY:%.*]], i64 109, i64 0, i64 0, i64 undef
; CHECK-NEXT: [[LD1:%.*]] = load i8, ptr [[ARRAYIDX31]], align 1
; CHECK-NEXT: br label [[COND_FALSE]]
; CHECK: cond.false:
; CHECK-NEXT: [[PHI1:%.*]] = phi i8 [ [[LD1]], [[COND_TRUE]] ], [ 0, [[FOR_BODY:%.*]] ]
; CHECK-NEXT: [[ARRAYIDX42:%.*]] = getelementptr inbounds [3 x [2 x [1 x i8]]], ptr [[ARRAY]], i64 109, i64 0, i64 0, i64 undef
; CHECK-NEXT: [[LD2:%.*]] = load i8, ptr [[ARRAYIDX42]], align 1
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i8 [[LD2]], [[PHI1]]
; CHECK-NEXT: [[ZEXT:%.*]] = zext i1 [[CMP1]] to i32
; CHECK-NEXT: store i32 [[ZEXT]], ptr [[P2:%.*]], align 4
; CHECK-NEXT: br i1 [[COND2:%.*]], label [[COND_END:%.*]], label [[EXIT:%.*]]
; CHECK: cond.end:
; CHECK-NEXT: [[LD3:%.*]] = load i16, ptr [[P1:%.*]], align 2
; CHECK-NEXT: [[SEXT:%.*]] = sext i16 [[LD3]] to i32
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[PHI2:%.*]] = phi i32 [ [[SEXT]], [[COND_END]] ], [ 0, [[COND_FALSE]] ]
; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[LD2]], 0
; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP2]], i32 [[PHI2]], i32 0
; CHECK-NEXT: store i32 [[SEL]], ptr [[P3:%.*]], align 4
; CHECK-NEXT: ret void
;
for.body:
br i1 %cond1, label %cond.true, label %cond.false
cond.true: ; preds = %for.body
%arrayidx31 = getelementptr inbounds [3 x [2 x [1 x i8]]], ptr %array, i64 109, i64 0, i64 0, i64 undef
%ld1 = load i8, ptr %arrayidx31, align 1
br label %cond.false
cond.false: ; preds = %cond.true, %for.body
%phi1 = phi i8 [ %ld1, %cond.true ], [ 0, %for.body ]
%arrayidx42 = getelementptr inbounds [3 x [2 x [1 x i8]]], ptr %array, i64 109, i64 0, i64 0, i64 undef
%ld2 = load i8, ptr %arrayidx42, align 1
%cmp1 = icmp ult i8 %ld2, %phi1
%zext = zext i1 %cmp1 to i32
store i32 %zext, ptr %p2, align 4
br i1 %cond2, label %cond.end, label %exit
cond.end: ; preds = %cond.false
%ld3 = load i16, ptr %p1, align 2
%sext = sext i16 %ld3 to i32
br label %exit
exit: ; preds = %cond.end, %cond.false
%phi2 = phi i32 [ %sext, %cond.end ], [ 0, %cond.false ]
%cmp2 = icmp eq i8 %ld2, 0
%sel = select i1 %cmp2, i32 %phi2, i32 0
store i32 %sel, ptr %p3, align 4
ret void
}
|
