mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
39a7d6e91d
collectUpperBound hits an assertion when the back edge count is wider then the desired type. If that happens, truncate the backedge count. Patch by Philip Pfaffe! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237439 91177308-0d34-0410-b5e6-96231b3b80d8
106 lines
2.5 KiB
LLVM
106 lines
2.5 KiB
LLVM
; RUN: opt < %s -analyze -basicaa -globalsmodref-aa -da | FileCheck %s
|
|
define void @i32_subscript(i32* %a) {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%i = phi i32 [ 0, %entry ], [ %i.inc, %for.body ]
|
|
%a.addr = getelementptr i32, i32* %a, i32 %i
|
|
%a.addr.2 = getelementptr i32, i32* %a, 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 i32 %i, 1
|
|
%i.inc.ext = sext i32 %i to i64
|
|
%exitcond = icmp ne i64 %i.inc.ext, 100
|
|
br i1 %exitcond, label %for.body, label %for.end
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
; CHECK: none
|
|
; CHECK: anti
|
|
; CHECK: output
|
|
|
|
|
|
; Test for a bug, which caused an assert in ScalarEvolution because
|
|
; the Dependence Analyzer attempted to zero extend a type to a smaller
|
|
; type.
|
|
|
|
; void t(unsigned int *a, unsigned int n) {
|
|
; for (unsigned int i = 0; i != n; i++) {
|
|
; a[(unsigned short)i] = g;
|
|
; }}
|
|
|
|
@g = common global i32 0, align 4
|
|
|
|
define void @t(i32* noalias %a, i32 %n) nounwind {
|
|
entry:
|
|
%cmp1 = icmp eq i32 %n, 0
|
|
br i1 %cmp1, label %for.end, label %for.body
|
|
|
|
for.body:
|
|
%i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
|
|
%0 = load i32, i32* @g, align 4
|
|
%idxprom = and i32 %i.02, 65535
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i32 %idxprom
|
|
store i32 %0, i32* %arrayidx, align 4
|
|
%inc = add i32 %i.02, 1
|
|
%cmp = icmp eq i32 %inc, %n
|
|
br i1 %cmp, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
; CHECK: input
|
|
; CHECK: none
|
|
; CHECK: output
|
|
|
|
define void @i16_wrap(i64* %a) {
|
|
entry:
|
|
br label %for.body
|
|
for.body:
|
|
%i = phi i64 [0, %entry], [%i.inc, %for.inc]
|
|
%i.tr = trunc i64 %i to i16
|
|
%idx = getelementptr i64, i64* %a, i16 %i.tr
|
|
%0 = load i64, i64* %idx
|
|
%1 = add i64 %0, 1
|
|
store i64 %1, i64* %idx
|
|
br label %for.inc
|
|
|
|
for.inc:
|
|
%i.inc = add nuw i64 %i, 1
|
|
%cmp = icmp ult i64 %i.inc, 17179869184
|
|
br i1 %cmp, label %for.body, label %for.end
|
|
for.end:
|
|
ret void
|
|
}
|
|
; CHECK: input
|
|
; CHECK: anti
|
|
; CHECK: output
|
|
|
|
define void @i8_stride_wrap(i32* noalias %a, i32* noalias %b) {
|
|
entry:
|
|
br label %for.body
|
|
for.body:
|
|
%i = phi i32 [1,%entry], [%i.inc, %for.inc]
|
|
%i.tr = trunc i32 %i to i8
|
|
%idx = getelementptr i32, i32* %a, i8 %i.tr
|
|
%idx.2 = getelementptr i32, i32* %b, i32 %i
|
|
%0 = load i32, i32* %idx, align 4
|
|
%1 = add i32 %0, 1
|
|
store i32 %1, i32* %idx.2, align 4
|
|
br label %for.inc
|
|
|
|
for.inc:
|
|
%i.inc = add nsw i32 %i, 256
|
|
%exitcond = icmp ult i32 %i, 65536
|
|
br i1 %exitcond, label %for.body, label %for.end
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
; CHECK: input
|
|
; CHECK: none
|
|
; CHECK: none
|