| ; RUN: llc -march=hexagon -mcpu=hexagonv4 -O3 < %s | FileCheck %s | 
 |  | 
 |  | 
 | ; CHECK: test_pos1_ir_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos1_ir_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 32623, %b | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ 32623, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 1 | 
 |   %cmp = icmp ne i32 %inc, %b | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos2_ir_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos2_ir_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 29554, %b | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ 29554, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 2 | 
 |   %cmp = icmp ne i32 %inc, %b | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos4_ir_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos4_ir_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 15692, %b | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ 15692, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 4 | 
 |   %cmp = icmp ne i32 %inc, %b | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos8_ir_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos8_ir_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 10449, %b | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ 10449, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 8 | 
 |   %cmp = icmp ne i32 %inc, %b | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos16_ir_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos16_ir_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 32087, %b | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ 32087, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 16 | 
 |   %cmp = icmp ne i32 %inc, %b | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos1_ri_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos1_ri_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 %a, 3472 | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 1 | 
 |   %cmp = icmp ne i32 %inc, 3472 | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos2_ri_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos2_ri_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 %a, 8730 | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 2 | 
 |   %cmp = icmp ne i32 %inc, 8730 | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos4_ri_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos4_ri_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 %a, 1493 | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 4 | 
 |   %cmp = icmp ne i32 %inc, 1493 | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos8_ri_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos8_ri_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 %a, 1706 | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 8 | 
 |   %cmp = icmp ne i32 %inc, 1706 | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos16_ri_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos16_ri_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 %a, 1886 | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 16 | 
 |   %cmp = icmp ne i32 %inc, 1886 | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos1_rr_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos1_rr_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 %a, %b | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 1 | 
 |   %cmp = icmp ne i32 %inc, %b | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos2_rr_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos2_rr_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 %a, %b | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 2 | 
 |   %cmp = icmp ne i32 %inc, %b | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos4_rr_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos4_rr_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 %a, %b | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 4 | 
 |   %cmp = icmp ne i32 %inc, %b | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos8_rr_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos8_rr_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 %a, %b | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 8 | 
 |   %cmp = icmp ne i32 %inc, %b | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  | 
 | ; CHECK: test_pos16_rr_ne | 
 | ; CHECK: loop0 | 
 | ; a < b | 
 | define void @test_pos16_rr_ne(i8* nocapture %p, i32 %a, i32 %b) nounwind { | 
 | entry: | 
 |   %cmp3 = icmp slt i32 %a, %b | 
 |   br i1 %cmp3, label %for.body.lr.ph, label %for.end | 
 |  | 
 | for.body.lr.ph:                                   ; preds = %entry | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body.lr.ph, %for.body | 
 |   %i.04 = phi i32 [ %a, %for.body.lr.ph ], [ %inc, %for.body ] | 
 |   %arrayidx = getelementptr inbounds i8, i8* %p, i32 %i.04 | 
 |   %0 = load i8, i8* %arrayidx, align 1 | 
 |   %conv = zext i8 %0 to i32 | 
 |   %add = add nsw i32 %conv, 1 | 
 |   %conv1 = trunc i32 %add to i8 | 
 |   store i8 %conv1, i8* %arrayidx, align 1 | 
 |   %inc = add nsw i32 %i.04, 16 | 
 |   %cmp = icmp ne i32 %inc, %b | 
 |   br i1 %cmp, label %for.body, label %for.end | 
 |  | 
 | for.end:                                          ; preds = %for.body, %entry | 
 |   ret void | 
 | } | 
 |  | 
 |  | 
 |  |