1 ; RUN: opt %loadPolly %defaultOpts -polly-codegen -enable-polly-vector -dce -S %s | FileCheck %s
2 ; Obtained from C source as:
3 ; clang -S -emit-llvm -O0 pr37482.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer pr37482.s > pr37482.ll
6 ; ModuleID = 'pr37482.s'
7 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
8 target triple = "x86_64-unknown-linux-gnu"
10 define void @SexiALI_Convert(i8* %vdest, i8* %vsrc, i32 %frames) nounwind uwtable {
14 for.cond: ; preds = %for.inc, %entry
15 %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ]
16 %tmp = mul i64 %indvar, 4
17 %tmp1 = add i64 %tmp, 2
18 %scevgep = getelementptr i8* %vsrc, i64 %tmp1
19 %incdec.ptr = bitcast i8* %scevgep to i16*
20 %scevgep3 = getelementptr i8* %vsrc, i64 %tmp
21 %src.0 = bitcast i8* %scevgep3 to i16*
22 %tmp5 = mul i64 %indvar, 2
23 %tmp6 = add i64 %tmp5, 1
24 %incdec.ptr18 = getelementptr i8* %vdest, i64 %tmp6
25 %dest.0 = getelementptr i8* %vdest, i64 %tmp5
26 %exitcond = icmp ne i64 %indvar, 256
27 br i1 %exitcond, label %for.body, label %for.end
29 for.body: ; preds = %for.cond
30 %tmp7 = load i16* %src.0, align 2
31 %conv = sext i16 %tmp7 to i32
32 %tmp10 = load i16* %incdec.ptr, align 2
33 %conv11 = sext i16 %tmp10 to i32
34 %add = add nsw i32 %conv, %conv11
35 %conv16 = trunc i32 %add to i8
36 store i8 %conv16, i8* %dest.0, align 1
37 %conv20 = trunc i32 %add to i8
38 store i8 %conv20, i8* %incdec.ptr18, align 1
41 for.inc: ; preds = %for.body
42 %indvar.next = add i64 %indvar, 1
45 for.end: ; preds = %for.cond