| ; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s |
| target datalayout = "E-m:e-i64:64-n32:64" |
| target triple = "powerpc64-unknown-linux-gnu" |
| |
| @phasor = external constant [4096 x i32] |
| |
| ; Function Attrs: nounwind |
| define void @test(i32* nocapture %out, i32 zeroext %step_size) #0 { |
| entry: |
| %shl = shl i32 %step_size, 2 |
| %idxprom = zext i32 %shl to i64 |
| br label %for.body |
| |
| ; Make sure that the TOC load has been hoisted out of the loop. |
| ; CHECK-LABEL: @test |
| ; CHECK: ld {{[0-9]+}}, .LC{{[0-9]+}}@toc@l |
| ; CHECK: %for.body |
| ; CHECK: blr |
| |
| for.body: ; preds = %entry, %for.body |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %0 = trunc i64 %indvars.iv to i32 |
| %shl1 = shl i32 %0, %step_size |
| %idxprom2 = sext i32 %shl1 to i64 |
| %arrayidx.sum = add nsw i64 %idxprom2, %idxprom |
| %arrayidx3 = getelementptr inbounds [4096 x i32], [4096 x i32]* @phasor, i64 0, i64 %arrayidx.sum |
| %1 = load i32, i32* %arrayidx3, align 4 |
| %arrayidx5 = getelementptr inbounds i32, i32* %out, i64 %indvars.iv |
| store i32 %1, i32* %arrayidx5, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 4 |
| %cmp = icmp slt i64 %indvars.iv.next, 1020 |
| br i1 %cmp, label %for.body, label %for.end |
| |
| for.end: ; preds = %for.body |
| ret void |
| } |
| |
| attributes #0 = { nounwind } |
| |