| ; RUN: opt < %s -passes=loop-vectorize -force-vector-width=4 -S -pass-remarks-missed='loop-vectorize' 2>&1 | FileCheck %s -check-prefix=CHECK-MISSED-OPT-REMARK |
| ; RUN: opt < %s -passes=loop-vectorize -force-vector-width=4 -S -pass-remarks='loop-vectorize' 2>&1 | FileCheck %s -check-prefix=CHECK-REMARK |
| |
| ; Test that only specified remarks get emitted |
| |
| ; CHECK-MISSED-OPT-REMARK: remark: {{.*}} loop not vectorized |
| |
| ; NOTE: -pass-remarks should only report remarks for successful vectorization |
| ; CHECK-REMARK-NOT: remark: {{.*}} loop not vectorized: Cannot determine whether critical uncountable exit load address does not alias with a memory write |
| |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define i32 @_Z4testPii(ptr nocapture %A, i32 %Length) { |
| entry: |
| %cmp8 = icmp sgt i32 %Length, 0 |
| br i1 %cmp8, label %for.body.preheader, label %end |
| |
| for.body.preheader: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ %indvars.iv.next, %if.else ], [ 0, %for.body.preheader ] |
| %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv |
| %0 = load i32, ptr %arrayidx, align 4 |
| %cmp1 = icmp sgt i32 %0, 10 |
| br i1 %cmp1, label %end.loopexit, label %if.else |
| |
| if.else: |
| store i32 0, ptr %arrayidx, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %1 = trunc i64 %indvars.iv.next to i32 |
| %cmp = icmp slt i32 %1, %Length |
| br i1 %cmp, label %for.body, label %end.loopexit |
| |
| end.loopexit: |
| br label %end |
| |
| end: |
| ret i32 0 |
| } |