forked from OSchip/llvm-project
30 lines
1.2 KiB
LLVM
30 lines
1.2 KiB
LLVM
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; RUN: opt < %s -indvars -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx"
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; CHECK-LABEL: @test1
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; CHECK: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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define i32 @test1(i32* %a) #0 {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.body, %entry
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%sum.0 = phi i32 [ 0, %entry ], [ %add, %for.body ]
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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%cmp = icmp slt i32 %i.0, 1000
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%idxprom = sext i32 %i.0 to i64
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%arrayidx = getelementptr inbounds i32* %a, i64 %idxprom
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%0 = load i32* %arrayidx, align 4
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%add = add nsw i32 %sum.0, %0
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%inc = add nsw i32 %i.0, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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ret i32 %sum.0
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}
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attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
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