forked from OSchip/llvm-project
102 lines
3.4 KiB
LLVM
102 lines
3.4 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
|
|
; RUN: opt %loadPolly -polly-ast -analyze < %s | FileCheck %s --check-prefix=AST
|
|
;
|
|
; This only works after the post-dominator tree has fixed.
|
|
; XFAIL: *
|
|
;
|
|
; void exception() __attribute__((noreturn));
|
|
;
|
|
; void foo(long n, float A[100]) {
|
|
; for (long j = 0; j < n; j++) {
|
|
; for (long i = j; i < n; i++) {
|
|
; if (i < 0)
|
|
; exception();
|
|
;
|
|
; if (i >= 100)
|
|
; exception();
|
|
;
|
|
; A[i] += i;
|
|
; }
|
|
; }
|
|
; }
|
|
;
|
|
; CHECK: Assumed Context:
|
|
; CHECK: [n] -> { : n >= 101 }
|
|
|
|
; AST: if (1 && 0 == n >= 101)
|
|
; AST: for (int c0 = 0; c0 < n; c0 += 1)
|
|
; AST: for (int c1 = 0; c1 < n - c0; c1 += 1)
|
|
; AST: Stmt_if_end_7(c0, c1);
|
|
;
|
|
; AST-NOT: for
|
|
; AST-NOT: Stmt
|
|
;
|
|
; AST: else
|
|
; AST: { /* original code */ }
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define void @foo(i64 %n, float* %A) #0 {
|
|
entry:
|
|
br label %for.cond
|
|
|
|
for.cond: ; preds = %for.inc.8, %entry
|
|
%j.0 = phi i64 [ 0, %entry ], [ %inc9, %for.inc.8 ]
|
|
%cmp = icmp slt i64 %j.0, %n
|
|
br i1 %cmp, label %for.body, label %for.end.10
|
|
|
|
for.body: ; preds = %for.cond
|
|
br label %for.cond.1
|
|
|
|
for.cond.1: ; preds = %for.inc, %for.body
|
|
%i.0 = phi i64 [ %j.0, %for.body ], [ %inc, %for.inc ]
|
|
%cmp2 = icmp slt i64 %i.0, %n
|
|
br i1 %cmp2, label %for.body.3, label %for.end
|
|
|
|
for.body.3: ; preds = %for.cond.1
|
|
br i1 false, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %for.body.3
|
|
call void (...) @exception() #2
|
|
unreachable
|
|
|
|
if.end: ; preds = %for.body.3
|
|
%cmp5 = icmp sgt i64 %i.0, 99
|
|
br i1 %cmp5, label %if.then.6, label %if.end.7
|
|
|
|
if.then.6: ; preds = %if.end
|
|
call void (...) @exception() #2
|
|
unreachable
|
|
|
|
if.end.7: ; preds = %if.end
|
|
%conv = sitofp i64 %i.0 to float
|
|
%arrayidx = getelementptr inbounds float, float* %A, i64 %i.0
|
|
%tmp = load float, float* %arrayidx, align 4
|
|
%add = fadd float %tmp, %conv
|
|
store float %add, float* %arrayidx, align 4
|
|
br label %for.inc
|
|
|
|
for.inc: ; preds = %if.end.7
|
|
%inc = add nuw nsw i64 %i.0, 1
|
|
br label %for.cond.1
|
|
|
|
for.end: ; preds = %for.cond.1
|
|
br label %for.inc.8
|
|
|
|
for.inc.8: ; preds = %for.end
|
|
%inc9 = add nuw nsw i64 %j.0, 1
|
|
br label %for.cond
|
|
|
|
for.end.10: ; preds = %for.cond
|
|
ret void
|
|
}
|
|
|
|
declare void @exception(...) #1
|
|
|
|
attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "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" }
|
|
attributes #1 = { noreturn "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "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" }
|
|
attributes #2 = { noreturn nounwind }
|
|
|
|
!llvm.ident = !{!0}
|
|
|
|
!0 = !{!"clang version 3.8.0 (trunk 246853)"}
|