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TheRock/compiler/amd-llvm/llvm/test/Transforms/PGOProfile/entry_alloca.ll
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57 lines
1.9 KiB
LLVM

; Note: Make sure that instrumention intrinsic is after entry alloca.
; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s
; RUN: opt < %s -passes=pgo-instr-gen,instrprof -sampled-instrumentation -S | FileCheck %s --check-prefixes=SAMPLE
%struct.A = type { i32, [0 x i32] }
%struct.B = type { i32, [0 x double] }
; CHECK-LABEL: @foo()
; CHECK-NEXT: %1 = alloca %struct.A
; CHECK-NEXT: %2 = alloca %struct.B
; CHECK-NEXT: call void @llvm.instrprof.increment(ptr @__profn_foo
; SAMPLE: @foo()
; SAMPLE-NEXT: %1 = alloca %struct.A
; SAMPLE-NEXT: %2 = alloca %struct.B
; SAMPLE-NEXT: %[[v:[0-9]+]] = load i16, ptr @__llvm_profile_sampling
; SAMPLE-NEXT: {{.*}} = icmp ule i16 %[[v]], 199
define dso_local double @foo() {
%1 = alloca %struct.A, align 4
%2 = alloca %struct.B, align 8
call void @llvm.lifetime.start.p0(ptr nonnull %1)
call void @llvm.lifetime.start.p0(ptr nonnull %2)
call void @bar(ptr noundef nonnull %1, ptr noundef nonnull %2)
%3 = load i32, ptr %1, align 4
%4 = icmp sgt i32 %3, 0
br i1 %4, label %5, label %21
5:
%6 = getelementptr inbounds i8, ptr %1, i64 4
%7 = getelementptr inbounds i8, ptr %2, i64 8
%8 = zext nneg i32 %3 to i64
br label %9
9:
%10 = phi i64 [ 0, %5 ], [ %19, %9 ]
%11 = phi double [ 0.000000e+00, %5 ], [ %18, %9 ]
%12 = getelementptr inbounds [0 x i32], ptr %6, i64 0, i64 %10
%13 = load i32, ptr %12, align 4
%14 = sitofp i32 %13 to double
%15 = getelementptr inbounds [0 x double], ptr %7, i64 0, i64 %10
%16 = load double, ptr %15, align 8
%17 = fadd double %16, %14
%18 = fadd double %11, %17
%19 = add nuw nsw i64 %10, 1
%20 = icmp eq i64 %19, %8
br i1 %20, label %21, label %9
21:
%22 = phi double [ 0.000000e+00, %0 ], [ %18, %9 ]
call void @llvm.lifetime.end.p0(ptr nonnull %2)
call void @llvm.lifetime.end.p0(ptr nonnull %1)
ret double %22
}
declare void @bar(ptr noundef, ptr noundef)