Files
clang-p2996/polly/test/Isl/CodeGen/blas_sscal_simplified.ll
Tobias Grosser f4ee371e60 tests: Drop -polly-detect-unprofitable and -polly-no-early-exit
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
2015-10-06 15:36:44 +00:00

45 lines
1.5 KiB
LLVM

; RUN: opt %loadPolly -polly-codegen < %s
;
; Regression test for a bug in the runtime check generation.
; This was extracted from the blas testcase. It crashed in one
; part of the runtime check generation at some point. To be
; precise, we couldn't find a suitable block to put the RTC code in.
;
; int sscal(int n, float sa, float *sx) {
; for(int i=0; i<n; i++, sx++)
; *sx *= sa;
; return 0;
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define i32 @sscal(i32 %n, float %sa, float* %sx) {
entry:
br label %entry.split
entry.split: ; preds = %entry
%cmp1 = icmp sgt i32 %n, 0
br i1 %cmp1, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry.split
%0 = zext i32 %n to i64
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%indvar = phi i64 [ 0, %for.body.lr.ph ], [ %indvar.next, %for.body ]
%sx.addr.02 = getelementptr float, float* %sx, i64 %indvar
%tmp = load float, float* %sx.addr.02, align 4
%mul = fmul float %tmp, %sa
store float %mul, float* %sx.addr.02, align 4
%indvar.next = add i64 %indvar, 1
%exitcond = icmp ne i64 %indvar.next, %0
br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge
for.cond.for.end_crit_edge: ; preds = %for.body
br label %for.end
for.end: ; preds = %for.cond.for.end_crit_edge, %entry.split
ret i32 0
}