36 lines
1.2 KiB
LLVM
36 lines
1.2 KiB
LLVM
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; RUN: opt < %s -pgo-instr-gen -instrprof -S | FileCheck %s
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; RUN: opt <%s -passes=pgo-instr-gen,instrprof -S | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @foo(i8* %dst, i8* %src, i32* %a, i32 %n) {
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entry:
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br label %for.cond
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for.cond:
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%i.0 = phi i32 [ 0, %entry ], [ %add, %for.cond1 ]
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%cmp = icmp slt i32 %i.0, %n
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br i1 %cmp, label %for.cond1, label %for.end6
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for.cond1:
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%j.0 = phi i32 [ %inc, %for.body3 ], [ 0, %for.cond ]
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%idx.ext = sext i32 %i.0 to i64
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%add.ptr = getelementptr inbounds i32, i32* %a, i64 %idx.ext
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%0 = load i32, i32* %add.ptr, align 4
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%cmp2 = icmp slt i32 %j.0, %0
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%add = add nsw i32 %i.0, 1
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br i1 %cmp2, label %for.body3, label %for.cond
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for.body3:
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%conv = sext i32 %add to i64
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; CHECK: call void @__llvm_profile_instrument_memop(i64 %conv, i8* bitcast ({ i64, i64, i64*, i8*, i8*, i32, [2 x i16] }* @__profd_foo to i8*), i32 0)
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 %conv, i1 false)
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%inc = add nsw i32 %j.0, 1
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br label %for.cond1
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for.end6:
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1)
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