mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 12:12:47 +01:00
b3cd1dc241
All tests had corresponding NPM lines, simply pin non-NPM lines to legacy PM. Reviewed By: fhahn Differential Revision: https://reviews.llvm.org/D87665
83 lines
2.1 KiB
LLVM
83 lines
2.1 KiB
LLVM
; RUN: opt < %s -disable-output "-passes=print<da>" -aa-pipeline=basic-aa 2>&1 \
|
|
; RUN: | FileCheck %s
|
|
; RUN: opt < %s -analyze -enable-new-pm=0 -basic-aa -da | FileCheck %s
|
|
|
|
; Test that the dependence analysis generates the correct results when using
|
|
; an aliased object that points to a different element in the same array.
|
|
; PR33567 - https://bugs.llvm.org/show_bug.cgi?id=33567
|
|
|
|
; void test1(int *A, int *B, int N) {
|
|
; int *top = A;
|
|
; int *bot = A + N/2;
|
|
; for (int i = 0; i < N; i++)
|
|
; B[i] = top[i] + bot[i];
|
|
; }
|
|
|
|
; CHECK-LABEL: test1
|
|
; CHECK: da analyze - input [*|<]!
|
|
|
|
define void @test1(i32* nocapture %A, i32* nocapture %B, i32 %N) #0 {
|
|
entry:
|
|
%cmp9 = icmp sgt i32 %N, 0
|
|
br i1 %cmp9, label %for.body.lr.ph, label %for.end
|
|
|
|
for.body.lr.ph:
|
|
%div = sdiv i32 %N, 2
|
|
%bot.gep = getelementptr i32, i32* %A, i32 %div
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%i = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
|
|
%gep.0 = getelementptr i32, i32* %A, i32 %i
|
|
%gep.1 = getelementptr i32, i32* %bot.gep, i32 %i
|
|
%gep.B = getelementptr i32, i32* %B, i32 %i
|
|
%0 = load i32, i32* %gep.0, align 4
|
|
%1 = load i32, i32* %gep.1, align 4
|
|
%add = add nsw i32 %1, %0
|
|
store i32 %add, i32* %gep.B, align 4
|
|
%inc = add nsw i32 %i, 1
|
|
%exitcond = icmp eq i32 %inc, %N
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
|
|
; void test2(int *A, unsigned n) {
|
|
; int *B = A + 1;
|
|
; for (unsigned i = 0; i < n; ++i) {
|
|
; A[i] = B[i];
|
|
; }
|
|
; }
|
|
|
|
; CHECK-LABEL: test2
|
|
; CHECK: da analyze - consistent anti [1]!
|
|
|
|
define void @test2(i32*, i32) #3 {
|
|
%3 = getelementptr inbounds i32, i32* %0, i64 1
|
|
br label %4
|
|
|
|
; <label>:4:
|
|
%.0 = phi i32 [ 0, %2 ], [ %14, %13 ]
|
|
%5 = sub i32 %1, 1
|
|
%6 = icmp ult i32 %.0, %5
|
|
br i1 %6, label %7, label %15
|
|
|
|
; <label>:7:
|
|
%8 = zext i32 %.0 to i64
|
|
%9 = getelementptr inbounds i32, i32* %3, i64 %8
|
|
%10 = load i32, i32* %9, align 4
|
|
%11 = zext i32 %.0 to i64
|
|
%12 = getelementptr inbounds i32, i32* %0, i64 %11
|
|
store i32 %10, i32* %12, align 4
|
|
br label %13
|
|
|
|
; <label>:13:
|
|
%14 = add i32 %.0, 1
|
|
br label %4
|
|
|
|
; <label>:15:
|
|
ret void
|
|
}
|