f4ee371e60
These flags are now always passed to all tests and need to be disabled if not needed. Disabling these flags, rather than passing them to almost all tests, significantly simplfies our RUN: lines. llvm-svn: 249422
91 lines
3.1 KiB
LLVM
91 lines
3.1 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 been fixed.
|
|
;
|
|
; XFAIL: *
|
|
;
|
|
; void exception() __attribute__((noreturn));
|
|
;
|
|
; void foo(long n, float A[100]) {
|
|
; for (long i = 0; i < n; i++) {
|
|
; if (i < 0)
|
|
; exception();
|
|
;
|
|
; if (i >= 100)
|
|
; exception();
|
|
;
|
|
; A[i] += i;
|
|
; }
|
|
; }
|
|
|
|
; We should detect this kernel as a SCoP and derive run-time conditions such
|
|
; that the bound-checked blocks are not part of the optimized SCoP.
|
|
|
|
; CHECK: Assumed Context:
|
|
; CHECK: [n] -> { : n <= 100 }
|
|
|
|
; AST: if (n <= 100)
|
|
; AST: for (int c0 = 0; c0 <= min(99, n - 1); c0 += 1)
|
|
; AST: Stmt_if_end_4(c0);
|
|
;
|
|
; 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"
|
|
|
|
; Function Attrs: nounwind uwtable
|
|
define void @foo(i64 %n, float* %A) #0 {
|
|
entry:
|
|
br label %for.cond
|
|
|
|
for.cond: ; preds = %for.inc, %entry
|
|
%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]
|
|
%cmp = icmp slt i64 %i.0, %n
|
|
br i1 %cmp, label %for.body, label %for.end
|
|
|
|
for.body: ; preds = %for.cond
|
|
br i1 false, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %for.body
|
|
call void (...) @exception() #2
|
|
unreachable
|
|
|
|
if.end: ; preds = %for.body
|
|
%cmp2 = icmp sgt i64 %i.0, 99
|
|
br i1 %cmp2, label %if.then.3, label %if.end.4
|
|
|
|
if.then.3: ; preds = %if.end
|
|
call void (...) @exception() #2
|
|
unreachable
|
|
|
|
if.end.4: ; 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.4
|
|
%inc = add nuw nsw i64 %i.0, 1
|
|
br label %for.cond
|
|
|
|
for.end: ; preds = %for.cond
|
|
ret void
|
|
}
|
|
|
|
; Function Attrs: noreturn
|
|
declare void @exception(...) #1
|
|
|
|
attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "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" }
|
|
attributes #1 = { noreturn "disable-tail-calls"="false" "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" }
|
|
attributes #2 = { noreturn nounwind }
|
|
|
|
!llvm.ident = !{!0}
|
|
|
|
!0 = !{!"clang version 3.8.0 (trunk 246853)"}
|