; 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)"}