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26 lines
993 B
LLVM
26 lines
993 B
LLVM
; RUN: opt < %s -pgo-instr-gen -S | FileCheck %s
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; RUN: opt < %s -passes=pgo-instr-gen -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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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture writeonly, i8* nocapture readonly, i32, i1)
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define i64 @foo1(i8* %a, i8* %b, i32 %s) {
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %b, i32 %s, i1 false);
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ret i64 0
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}
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define i64 @foo2(i8* %a, i8* %b, i32 %s) {
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entry:
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ret i64 0
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}
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; The two hashes should not be equal as the existence of the memcpy should change the hash.
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;
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; CHECK: @foo1
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; CHECK: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @__profn_foo1, i32 0, i32 0), i64 [[FOO1_HASH:[0-9]+]], i32 1, i32 0)
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; CHECK: @foo2
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; CHECK-NOT: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @__profn_foo2, i32 0, i32 0), i64 [[FOO1_HASH]], i32 1, i32 0)
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