| ; RUN: llc -mtriple=armv7a-none-eabi %s -o - -verify-machineinstrs | FileCheck %s |
| ; RUN: llc -mtriple=thumbv7a-none-eabi %s -o - -verify-machineinstrs | FileCheck %s |
| ; RUN: llc -mtriple=thumbv7m-none-eabi %s -o - -verify-machineinstrs | FileCheck %s |
| |
| ; Check we do not hit verifier errors from ifcvting volatile ldrd's |
| ; CHECK: ldrdne |
| ; CHECK: ldrdne |
| ; CHECK: ldrdne |
| ; CHECK: ldrdne |
| |
| define void @c(ptr %b) noreturn nounwind { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %land.end.3, %entry |
| %a.0 = phi i32 [ 0, %entry ], [ %conv2.3, %land.end.3 ] |
| %tobool.not = icmp eq i32 %a.0, 0 |
| br i1 %tobool.not, label %land.end, label %land.rhs |
| |
| land.rhs: ; preds = %for.cond |
| %0 = load volatile i64, ptr %b, align 8 |
| br label %land.end |
| |
| land.end: ; preds = %land.rhs, %for.cond |
| %sub.i = add nuw nsw i32 %a.0, 65533 |
| %conv2 = and i32 %sub.i, 65535 |
| %tobool.not.1 = icmp eq i32 %conv2, 0 |
| br i1 %tobool.not.1, label %land.end.1, label %land.rhs.1 |
| |
| land.rhs.1: ; preds = %land.end |
| %1 = load volatile i64, ptr %b, align 8 |
| br label %land.end.1 |
| |
| land.end.1: ; preds = %land.rhs.1, %land.end |
| %sub.i.1 = add nuw nsw i32 %a.0, 65530 |
| %conv2.1 = and i32 %sub.i.1, 65535 |
| %tobool.not.2 = icmp eq i32 %conv2.1, 0 |
| br i1 %tobool.not.2, label %land.end.2, label %land.rhs.2 |
| |
| land.rhs.2: ; preds = %land.end.1 |
| %2 = load volatile i64, ptr %b, align 8 |
| br label %land.end.2 |
| |
| land.end.2: ; preds = %land.rhs.2, %land.end.1 |
| %sub.i.2 = add nuw nsw i32 %a.0, 65527 |
| %conv2.2 = and i32 %sub.i.2, 65535 |
| %tobool.not.3 = icmp eq i32 %conv2.2, 0 |
| br i1 %tobool.not.3, label %land.end.3, label %land.rhs.3 |
| |
| land.rhs.3: ; preds = %land.end.2 |
| %3 = load volatile i64, ptr %b, align 8 |
| br label %land.end.3 |
| |
| land.end.3: ; preds = %land.rhs.3, %land.end.2 |
| %sub.i.3 = add nuw nsw i32 %a.0, 65524 |
| %conv2.3 = and i32 %sub.i.3, 65535 |
| br label %for.cond |
| } |
