| Hal Finkel | 40be73b | 2013-06-07 22:16:19 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mcpu=ppc | FileCheck %s |
| 2 | |
| 3 | target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32" |
| 4 | target triple = "powerpc-unknown-linux-gnu" |
| 5 | |
| 6 | define i64 @foo(i64* nocapture %n, i64 %d) nounwind readonly { |
| 7 | entry: |
| 8 | br label %for.body |
| 9 | |
| 10 | for.body: ; preds = %for.body, %entry |
| 11 | %i.06 = phi i32 [ 0, %entry ], [ %inc, %for.body ] |
| 12 | %x.05 = phi i64 [ 0, %entry ], [ %conv1, %for.body ] |
| 13 | %arrayidx = getelementptr inbounds i64* %n, i32 %i.06 |
| 14 | %0 = load i64* %arrayidx, align 8 |
| 15 | %conv = udiv i64 %x.05, %d |
| 16 | %conv1 = add i64 %conv, %0 |
| 17 | %inc = add nsw i32 %i.06, 1 |
| 18 | %exitcond = icmp eq i32 %inc, 2048 |
| 19 | br i1 %exitcond, label %for.end, label %for.body |
| 20 | |
| 21 | for.end: ; preds = %for.body |
| 22 | ret i64 %conv1 |
| 23 | } |
| 24 | |
| 25 | ; CHECK: @foo |
| 26 | ; CHECK-NOT: mtctr |
| 27 | |
| 28 | define i64 @foo2(i64* nocapture %n, i64 %d) nounwind readonly { |
| 29 | entry: |
| 30 | br label %for.body |
| 31 | |
| 32 | for.body: ; preds = %for.body, %entry |
| 33 | %i.06 = phi i32 [ 0, %entry ], [ %inc, %for.body ] |
| 34 | %x.05 = phi i64 [ 0, %entry ], [ %conv1, %for.body ] |
| 35 | %arrayidx = getelementptr inbounds i64* %n, i32 %i.06 |
| 36 | %0 = load i64* %arrayidx, align 8 |
| 37 | %conv = sdiv i64 %x.05, %d |
| 38 | %conv1 = add i64 %conv, %0 |
| 39 | %inc = add nsw i32 %i.06, 1 |
| 40 | %exitcond = icmp eq i32 %inc, 2048 |
| 41 | br i1 %exitcond, label %for.end, label %for.body |
| 42 | |
| 43 | for.end: ; preds = %for.body |
| 44 | ret i64 %conv1 |
| 45 | } |
| 46 | |
| 47 | ; CHECK: @foo2 |
| 48 | ; CHECK-NOT: mtctr |
| 49 | |
| 50 | define i64 @foo3(i64* nocapture %n, i64 %d) nounwind readonly { |
| 51 | entry: |
| 52 | br label %for.body |
| 53 | |
| 54 | for.body: ; preds = %for.body, %entry |
| 55 | %i.06 = phi i32 [ 0, %entry ], [ %inc, %for.body ] |
| 56 | %x.05 = phi i64 [ 0, %entry ], [ %conv1, %for.body ] |
| 57 | %arrayidx = getelementptr inbounds i64* %n, i32 %i.06 |
| 58 | %0 = load i64* %arrayidx, align 8 |
| 59 | %conv = urem i64 %x.05, %d |
| 60 | %conv1 = add i64 %conv, %0 |
| 61 | %inc = add nsw i32 %i.06, 1 |
| 62 | %exitcond = icmp eq i32 %inc, 2048 |
| 63 | br i1 %exitcond, label %for.end, label %for.body |
| 64 | |
| 65 | for.end: ; preds = %for.body |
| 66 | ret i64 %conv1 |
| 67 | } |
| 68 | |
| 69 | ; CHECK: @foo3 |
| 70 | ; CHECK-NOT: mtctr |
| 71 | |
| 72 | define i64 @foo4(i64* nocapture %n, i64 %d) nounwind readonly { |
| 73 | entry: |
| 74 | br label %for.body |
| 75 | |
| 76 | for.body: ; preds = %for.body, %entry |
| 77 | %i.06 = phi i32 [ 0, %entry ], [ %inc, %for.body ] |
| 78 | %x.05 = phi i64 [ 0, %entry ], [ %conv1, %for.body ] |
| 79 | %arrayidx = getelementptr inbounds i64* %n, i32 %i.06 |
| 80 | %0 = load i64* %arrayidx, align 8 |
| 81 | %conv = srem i64 %x.05, %d |
| 82 | %conv1 = add i64 %conv, %0 |
| 83 | %inc = add nsw i32 %i.06, 1 |
| 84 | %exitcond = icmp eq i32 %inc, 2048 |
| 85 | br i1 %exitcond, label %for.end, label %for.body |
| 86 | |
| 87 | for.end: ; preds = %for.body |
| 88 | ret i64 %conv1 |
| 89 | } |
| 90 | |
| 91 | ; CHECK: @foo4 |
| 92 | ; CHECK-NOT: mtctr |
| 93 | |