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TheRock/compiler/amd-llvm/llvm/test/CodeGen/PowerPC/ldtoc-inv.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

40 lines
1.3 KiB
LLVM

; 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(ptr 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], ptr @phasor, i64 0, i64 %arrayidx.sum
%1 = load i32, ptr %arrayidx3, align 4
%arrayidx5 = getelementptr inbounds i32, ptr %out, i64 %indvars.iv
store i32 %1, ptr %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 }