| ; RUN: llc -march=mipsel -mattr=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16 |
| |
| define i32 @sumc(ptr nocapture %to, ptr nocapture %from, i32) nounwind { |
| entry: |
| %sext = shl i32 %0, 16 |
| %conv = ashr exact i32 %sext, 16 |
| %cmp8 = icmp eq i32 %conv, 0 |
| br i1 %cmp8, label %for.end, label %for.body.lr.ph |
| |
| for.body.lr.ph: ; preds = %entry |
| %.pre = load i8, ptr %to, align 1 |
| br label %for.body |
| |
| for.body: ; preds = %for.body.lr.ph, %for.body |
| %1 = phi i8 [ %.pre, %for.body.lr.ph ], [ %conv4, %for.body ] |
| %i.010 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ] |
| %from.addr.09 = phi ptr [ %from, %for.body.lr.ph ], [ %incdec.ptr, %for.body ] |
| %incdec.ptr = getelementptr inbounds i8, ptr %from.addr.09, i32 1 |
| %2 = load i8, ptr %from.addr.09, align 1 |
| %conv27 = zext i8 %2 to i32 |
| %conv36 = zext i8 %1 to i32 |
| %add = add nsw i32 %conv36, %conv27 |
| %conv4 = trunc i32 %add to i8 |
| store i8 %conv4, ptr %to, align 1 |
| %inc = add nsw i32 %i.010, 1 |
| %cmp = icmp eq i32 %inc, %conv |
| br i1 %cmp, label %for.end, label %for.body |
| ; 16-LABEL: sumc: |
| ; 16: lbu ${{[0-9]+}}, 0(${{[0-9]+}}) |
| ; 16: lbu ${{[0-9]+}}, 0(${{[0-9]+}}) |
| ; 16-LABEL: sum: |
| ; 16: lhu ${{[0-9]+}}, 0(${{[0-9]+}}) |
| ; 16: lhu ${{[0-9]+}}, 0(${{[0-9]+}}) |
| |
| for.end: ; preds = %for.body, %entry |
| ret i32 undef |
| } |
| |
| define i32 @sum(ptr nocapture %to, ptr nocapture %from, i32) nounwind { |
| entry: |
| %sext = shl i32 %0, 16 |
| %conv = ashr exact i32 %sext, 16 |
| %cmp8 = icmp eq i32 %conv, 0 |
| br i1 %cmp8, label %for.end, label %for.body.lr.ph |
| |
| for.body.lr.ph: ; preds = %entry |
| %.pre = load i16, ptr %to, align 2 |
| br label %for.body |
| |
| for.body: ; preds = %for.body.lr.ph, %for.body |
| %1 = phi i16 [ %.pre, %for.body.lr.ph ], [ %conv4, %for.body ] |
| %i.010 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ] |
| %from.addr.09 = phi ptr [ %from, %for.body.lr.ph ], [ %incdec.ptr, %for.body ] |
| %incdec.ptr = getelementptr inbounds i16, ptr %from.addr.09, i32 1 |
| %2 = load i16, ptr %from.addr.09, align 2 |
| %conv27 = zext i16 %2 to i32 |
| %conv36 = zext i16 %1 to i32 |
| %add = add nsw i32 %conv36, %conv27 |
| %conv4 = trunc i32 %add to i16 |
| store i16 %conv4, ptr %to, align 2 |
| %inc = add nsw i32 %i.010, 1 |
| %cmp = icmp eq i32 %inc, %conv |
| br i1 %cmp, label %for.end, label %for.body |
| |
| for.end: ; preds = %for.body, %entry |
| ret i32 undef |
| } |
| |
| |