You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
4.5 KiB
111 lines
4.5 KiB
4 months ago
|
; RUN: opt < %s -analyze -basicaa -da -da-delinearize=false | FileCheck %s
|
||
|
|
; RUN: opt < %s -analyze -basicaa -da -da-delinearize | FileCheck %s -check-prefix=DELIN
|
||
|
|
|
||
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
|
||
|
|
target triple = "x86_64-apple-macosx10.6.0"
|
||
|
|
|
||
|
|
; for (int i = 0; i < 100; ++i) {
|
||
|
|
; int t0 = a[i][i];
|
||
|
|
; int t1 = t0 + 1;
|
||
|
|
; a[i][5] = t1;
|
||
|
|
; }
|
||
|
|
; The subscript 5 in a[i][5] is deliberately an i32, mismatching the types of
|
||
|
|
; other subscript. DependenceAnalysis before the fix crashed due to this
|
||
|
|
; mismatch.
|
||
|
|
define void @i32_subscript([100 x [100 x i32]]* %a, i32* %b) {
|
||
|
|
; CHECK-LABEL: 'Dependence Analysis' for function 'i32_subscript'
|
||
|
|
; DELIN-LABEL: 'Dependence Analysis' for function 'i32_subscript'
|
||
|
|
entry:
|
||
|
|
br label %for.body
|
||
|
|
|
||
|
|
for.body:
|
||
|
|
; CHECK: da analyze - none!
|
||
|
|
; CHECK: da analyze - anti [=|<]!
|
||
|
|
; CHECK: da analyze - none!
|
||
|
|
; DELIN: da analyze - none!
|
||
|
|
; DELIN: da analyze - anti [=|<]!
|
||
|
|
; DELIN: da analyze - none!
|
||
|
|
%i = phi i64 [ 0, %entry ], [ %i.inc, %for.body ]
|
||
|
|
%a.addr = getelementptr [100 x [100 x i32]], [100 x [100 x i32]]* %a, i64 0, i64 %i, i64 %i
|
||
|
|
%a.addr.2 = getelementptr [100 x [100 x i32]], [100 x [100 x i32]]* %a, i64 0, i64 %i, i32 5
|
||
|
|
%0 = load i32, i32* %a.addr, align 4
|
||
|
|
%1 = add i32 %0, 1
|
||
|
|
store i32 %1, i32* %a.addr.2, align 4
|
||
|
|
%i.inc = add nsw i64 %i, 1
|
||
|
|
%exitcond = icmp ne i64 %i.inc, 100
|
||
|
|
br i1 %exitcond, label %for.body, label %for.end
|
||
|
|
|
||
|
|
for.end:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
||
|
|
target triple = "x86_64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
; unsigned i, j;
|
||
|
|
; for (i = 1; i < SIZE; i++) {
|
||
|
|
; for (j = i; j < SIZE; j++) {
|
||
|
|
; a[i][j] = a[i+1][j-1] + 2;
|
||
|
|
; }
|
||
|
|
; }
|
||
|
|
; Extends the previous example to coupled MIV subscripts.
|
||
|
|
|
||
|
|
|
||
|
|
@a = global [10004 x [10004 x i32]] zeroinitializer, align 16
|
||
|
|
|
||
|
|
; Function Attrs: nounwind uwtable
|
||
|
|
define void @coupled_miv_type_mismatch(i32 %n) #0 {
|
||
|
|
; CHECK-LABEL: 'Dependence Analysis' for function 'coupled_miv_type_mismatch'
|
||
|
|
; DELIN-LABEL: 'Dependence Analysis' for function 'coupled_miv_type_mismatch'
|
||
|
|
entry:
|
||
|
|
br label %for.cond
|
||
|
|
|
||
|
|
; CHECK: da analyze - input [0 *]!
|
||
|
|
; CHECK: da analyze - anti [1 *]!
|
||
|
|
; CHECK: da analyze - none!
|
||
|
|
; DELIN: da analyze - input [0 *]!
|
||
|
|
; DELIN: da analyze - anti [1 *]!
|
||
|
|
; DELIN: da analyze - none!
|
||
|
|
for.cond: ; preds = %for.inc11, %entry
|
||
|
|
%indvars.iv11 = phi i64 [ %indvars.iv.next12, %for.inc11 ], [ 1, %entry ]
|
||
|
|
%exitcond14 = icmp ne i64 %indvars.iv11, 10000
|
||
|
|
br i1 %exitcond14, label %for.cond1.preheader, label %for.end13
|
||
|
|
|
||
|
|
for.cond1.preheader: ; preds = %for.cond
|
||
|
|
%0 = trunc i64 %indvars.iv11 to i32
|
||
|
|
br label %for.cond1
|
||
|
|
|
||
|
|
for.cond1: ; preds = %for.cond1.preheader, %for.body3
|
||
|
|
%indvars.iv8 = phi i64 [ %indvars.iv11, %for.cond1.preheader ], [ %indvars.iv.next9, %for.body3 ]
|
||
|
|
%j.0 = phi i32 [ %inc, %for.body3 ], [ %0, %for.cond1.preheader ]
|
||
|
|
%lftr.wideiv = trunc i64 %indvars.iv8 to i32
|
||
|
|
%exitcond = icmp ne i32 %lftr.wideiv, 10000
|
||
|
|
br i1 %exitcond, label %for.body3, label %for.inc11
|
||
|
|
|
||
|
|
for.body3: ; preds = %for.cond1
|
||
|
|
%sub = add nsw i32 %j.0, -1
|
||
|
|
%idxprom = zext i32 %sub to i64
|
||
|
|
%1 = add nuw nsw i64 %indvars.iv11, 1
|
||
|
|
%arrayidx5 = getelementptr inbounds [10004 x [10004 x i32]], [10004 x [10004 x i32]]* @a, i64 0, i64 %1, i64 %idxprom
|
||
|
|
%2 = load i32, i32* %arrayidx5, align 4
|
||
|
|
%add6 = add nsw i32 %2, 2
|
||
|
|
%arrayidx10 = getelementptr inbounds [10004 x [10004 x i32]], [10004 x [10004 x i32]]* @a, i64 0, i64 %indvars.iv11, i64 %indvars.iv8
|
||
|
|
store i32 %add6, i32* %arrayidx10, align 4
|
||
|
|
%indvars.iv.next9 = add nuw nsw i64 %indvars.iv8, 1
|
||
|
|
%inc = add nuw nsw i32 %j.0, 1
|
||
|
|
br label %for.cond1
|
||
|
|
|
||
|
|
for.inc11: ; preds = %for.cond1
|
||
|
|
%indvars.iv.next12 = add nuw nsw i64 %indvars.iv11, 1
|
||
|
|
br label %for.cond
|
||
|
|
|
||
|
|
for.end13: ; preds = %for.cond
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
||
|
|
|
||
|
|
!llvm.ident = !{!0}
|
||
|
|
|
||
|
|
!0 = !{!"clang version 3.7.0 (https://vaivaswatha@bitbucket.org/compilertree/amd_clang.git 93a05fb75ee3411d24e8b2b184fc766a5318403e) (https://vaivaswatha@bitbucket.org/compilertree/amd_llvm.git 166d93d26efc912b517739f64d054a435e8e95cd)"}
|