mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 18:54:02 +01:00
a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
35 lines
1.3 KiB
LLVM
Executable File
35 lines
1.3 KiB
LLVM
Executable File
; RUN: opt -loop-vectorize -force-vector-width=2 -pass-remarks-missed='loop-vectorize' -S < %s 2>&1 | FileCheck %s
|
|
|
|
; CHECK: remark: <unknown>:0:0: loop not vectorized: integer loop induction variable could not be identified
|
|
|
|
; Test-case ('-O2 -ffast-math') from PR38800.
|
|
; (Set '-force-vector-width=2' to enable vector code generation.)
|
|
;
|
|
; No integral induction variable in the source-code caused a compiler-crash
|
|
; when attempting to vectorize. With the fix, a remark indicating why it
|
|
; wasn't vectorized is produced
|
|
;
|
|
;void foo(float *ptr, float val) {
|
|
; float f;
|
|
; for (f = 0.1f; f < 1.0f; f += 0.01f)
|
|
; *ptr += val;
|
|
;}
|
|
|
|
define void @foo(float* nocapture %ptr, float %val) local_unnamed_addr {
|
|
entry:
|
|
%ptr.promoted = load float, float* %ptr, align 4
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %entry, %for.body
|
|
%add5 = phi float [ %ptr.promoted, %entry ], [ %add, %for.body ]
|
|
%f.04 = phi float [ 0x3FB99999A0000000, %entry ], [ %add1, %for.body ]
|
|
%add = fadd fast float %add5, %val
|
|
%add1 = fadd fast float %f.04, 0x3F847AE140000000
|
|
%cmp = fcmp fast olt float %add1, 1.000000e+00
|
|
br i1 %cmp, label %for.body, label %for.end
|
|
|
|
for.end: ; preds = %for.body
|
|
store float %add, float* %ptr, align 4
|
|
ret void
|
|
}
|