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|
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5
; RUN: opt < %s -disable-output "-passes=print<da>" \
; RUN: "-aa-pipeline=basic-aa,tbaa" 2>&1 | FileCheck %s
define void @test_no_noalias(ptr %A, ptr %B) {
; CHECK-LABEL: 'test_no_noalias'
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4 --> Dst: store i32 1, ptr %A, align 4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4 --> Dst: store i32 2, ptr %B, align 4
; CHECK-NEXT: da analyze - confused!
; CHECK-NEXT: Src: store i32 2, ptr %B, align 4 --> Dst: store i32 2, ptr %B, align 4
; CHECK-NEXT: da analyze - none!
;
store i32 1, ptr %A
store i32 2, ptr %B
ret void
}
define void @test_one_noalias(ptr noalias %A, ptr %B) {
; CHECK-LABEL: 'test_one_noalias'
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4 --> Dst: store i32 1, ptr %A, align 4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4 --> Dst: store i32 2, ptr %B, align 4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i32 2, ptr %B, align 4 --> Dst: store i32 2, ptr %B, align 4
; CHECK-NEXT: da analyze - none!
;
store i32 1, ptr %A
store i32 2, ptr %B
ret void
}
define void @test_two_noalias(ptr noalias %A, ptr noalias %B) {
; CHECK-LABEL: 'test_two_noalias'
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4 --> Dst: store i32 1, ptr %A, align 4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4 --> Dst: store i32 2, ptr %B, align 4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i32 2, ptr %B, align 4 --> Dst: store i32 2, ptr %B, align 4
; CHECK-NEXT: da analyze - none!
;
store i32 1, ptr %A
store i32 2, ptr %B
ret void
}
@g = global i32 5
define void @test_global_alias(ptr %A) {
; CHECK-LABEL: 'test_global_alias'
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4 --> Dst: store i32 1, ptr %A, align 4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4 --> Dst: store i32 2, ptr @g, align 4
; CHECK-NEXT: da analyze - confused!
; CHECK-NEXT: Src: store i32 2, ptr @g, align 4 --> Dst: store i32 2, ptr @g, align 4
; CHECK-NEXT: da analyze - none!
;
store i32 1, ptr %A
store i32 2, ptr @g
ret void
}
define void @test_global_noalias(ptr noalias %A) {
; CHECK-LABEL: 'test_global_noalias'
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4 --> Dst: store i32 1, ptr %A, align 4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4 --> Dst: store i32 2, ptr @g, align 4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i32 2, ptr @g, align 4 --> Dst: store i32 2, ptr @g, align 4
; CHECK-NEXT: da analyze - none!
;
store i32 1, ptr %A
store i32 2, ptr @g
ret void
}
@a = global i16 5, align 2
@b = global ptr @a, align 4
define void @test_global_size() {
; CHECK-LABEL: 'test_global_size'
; CHECK-NEXT: Src: %l0 = load ptr, ptr @b, align 4 --> Dst: %l0 = load ptr, ptr @b, align 4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: %l0 = load ptr, ptr @b, align 4 --> Dst: %l1 = load i16, ptr %l0, align 2
; CHECK-NEXT: da analyze - confused!
; CHECK-NEXT: Src: %l0 = load ptr, ptr @b, align 4 --> Dst: store i16 1, ptr @a, align 2
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: %l1 = load i16, ptr %l0, align 2 --> Dst: %l1 = load i16, ptr %l0, align 2
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: %l1 = load i16, ptr %l0, align 2 --> Dst: store i16 1, ptr @a, align 2
; CHECK-NEXT: da analyze - confused!
; CHECK-NEXT: Src: store i16 1, ptr @a, align 2 --> Dst: store i16 1, ptr @a, align 2
; CHECK-NEXT: da analyze - none!
;
%l0 = load ptr, ptr @b, align 4
%l1 = load i16, ptr %l0, align 2
store i16 1, ptr @a, align 2
ret void
}
define void @test_tbaa_same(ptr %A, ptr %B) {
; CHECK-LABEL: 'test_tbaa_same'
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4, !tbaa !0 --> Dst: store i32 1, ptr %A, align 4, !tbaa !0
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4, !tbaa !0 --> Dst: store i32 2, ptr %B, align 4, !tbaa !0
; CHECK-NEXT: da analyze - confused!
; CHECK-NEXT: Src: store i32 2, ptr %B, align 4, !tbaa !0 --> Dst: store i32 2, ptr %B, align 4, !tbaa !0
; CHECK-NEXT: da analyze - none!
;
store i32 1, ptr %A, !tbaa !5
store i32 2, ptr %B, !tbaa !5
ret void
}
define void @test_tbaa_diff(ptr %A, ptr %B) {
; CHECK-LABEL: 'test_tbaa_diff'
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4, !tbaa !0 --> Dst: store i32 1, ptr %A, align 4, !tbaa !0
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i32 1, ptr %A, align 4, !tbaa !0 --> Dst: store i16 2, ptr %B, align 2, !tbaa !4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i16 2, ptr %B, align 2, !tbaa !4 --> Dst: store i16 2, ptr %B, align 2, !tbaa !4
; CHECK-NEXT: da analyze - none!
;
store i32 1, ptr %A, !tbaa !5
store i16 2, ptr %B, !tbaa !9
ret void
}
define void @tbaa_loop(i32 %I, i32 %J, ptr nocapture %A, ptr nocapture readonly %B) {
; CHECK-LABEL: 'tbaa_loop'
; CHECK-NEXT: Src: %0 = load i16, ptr %arrayidx.us, align 4, !tbaa !0 --> Dst: %0 = load i16, ptr %arrayidx.us, align 4, !tbaa !0
; CHECK-NEXT: da analyze - input [* *]!
; CHECK-NEXT: Src: %0 = load i16, ptr %arrayidx.us, align 4, !tbaa !0 --> Dst: store i32 %add.us.lcssa, ptr %arrayidx6.us, align 4, !tbaa !4
; CHECK-NEXT: da analyze - none!
; CHECK-NEXT: Src: store i32 %add.us.lcssa, ptr %arrayidx6.us, align 4, !tbaa !4 --> Dst: store i32 %add.us.lcssa, ptr %arrayidx6.us, align 4, !tbaa !4
; CHECK-NEXT: da analyze - output [*]!
;
entry:
%cmp = icmp ne i32 %J, 0
%cmp122 = icmp ne i32 %I, 0
%or.cond = and i1 %cmp, %cmp122
br i1 %or.cond, label %for.outer.preheader, label %for.end
for.outer.preheader:
br label %for.outer
for.outer:
%i.us = phi i32 [ %add8.us, %for.latch ], [ 0, %for.outer.preheader ]
br label %for.inner
for.inner:
%j.us = phi i32 [ 0, %for.outer ], [ %inc.us, %for.inner ]
%sum1.us = phi i32 [ 0, %for.outer ], [ %add.us, %for.inner ]
%arrayidx.us = getelementptr inbounds i16, ptr %B, i32 %j.us
%0 = load i16, ptr %arrayidx.us, align 4, !tbaa !9
%sext = sext i16 %0 to i32
%add.us = add i32 %sext, %sum1.us
%inc.us = add nuw i32 %j.us, 1
%exitcond = icmp eq i32 %inc.us, %J
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%add.us.lcssa = phi i32 [ %add.us, %for.inner ]
%arrayidx6.us = getelementptr inbounds i32, ptr %A, i32 %i.us
store i32 %add.us.lcssa, ptr %arrayidx6.us, align 4, !tbaa !5
%add8.us = add nuw i32 %i.us, 1
%exitcond25 = icmp eq i32 %add8.us, %I
br i1 %exitcond25, label %for.end.loopexit, label %for.outer
for.end.loopexit:
br label %for.end
for.end:
ret void
}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"short", !7, i64 0}
|
