forked from OSchip/llvm-project
85 lines
4.4 KiB
LLVM
85 lines
4.4 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen -polly-codegen-perf-monitoring \
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; RUN: -S < %s | FileCheck %s
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; void f(long A[], long N) {
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; long i;
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; if (true)
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; for (i = 0; i < N; ++i)
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; A[i] = i;
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; }
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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"
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target triple = "x86_64-unknown-linux-gnu"
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define void @f(i64* %A, i64 %N) nounwind {
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entry:
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fence seq_cst
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br label %next
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next:
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br i1 true, label %for.i, label %return
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for.i:
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%indvar = phi i64 [ 0, %next], [ %indvar.next, %for.i ]
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%scevgep = getelementptr i64, i64* %A, i64 %indvar
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store i64 %indvar, i64* %scevgep
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%indvar.next = add nsw i64 %indvar, 1
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%exitcond = icmp eq i64 %indvar.next, %N
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br i1 %exitcond, label %return, label %for.i
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return:
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fence seq_cst
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ret void
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}
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; CHECK: @__polly_perf_cycles_total_start = weak thread_local(initialexec) constant i64 0
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; CHECK-NEXT: @__polly_perf_initialized = weak thread_local(initialexec) constant i1 false
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; CHECK-NEXT: @__polly_perf_cycles_in_scops = weak thread_local(initialexec) constant i64 0
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; CHECK-NEXT: @__polly_perf_cycles_in_scop_start = weak thread_local(initialexec) constant i64 0
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; CHECK-NEXT: @__polly_perf_write_loation = weak thread_local(initialexec) constant i32 0
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; CHECK: polly.split_new_and_old: ; preds = %entry
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; CHECK-NEXT: %0 = call i64 @llvm.x86.rdtscp(i8* bitcast (i32* @__polly_perf_write_loation to i8*))
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; CHECK-NEXT: store volatile i64 %0, i64* @__polly_perf_cycles_in_scop_start
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; CHECK: polly.merge_new_and_old: ; preds = %polly.exiting, %return.region_exiting
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; CHECK-NEXT: %5 = load volatile i64, i64* @__polly_perf_cycles_in_scop_start
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; CHECK-NEXT: %6 = call i64 @llvm.x86.rdtscp(i8* bitcast (i32* @__polly_perf_write_loation to i8*))
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; CHECK-NEXT: %7 = sub i64 %6, %5
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; CHECK-NEXT: %8 = load volatile i64, i64* @__polly_perf_cycles_in_scops
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; CHECK-NEXT: %9 = add i64 %8, %7
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; CHECK-NEXT: store volatile i64 %9, i64* @__polly_perf_cycles_in_scops
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; CHECK: define weak_odr void @__polly_perf_final() {
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; CHECK-NEXT: start:
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; CHECK-NEXT: %0 = call i64 @llvm.x86.rdtscp(i8* bitcast (i32* @__polly_perf_write_loation to i8*))
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; CHECK-NEXT: %1 = load volatile i64, i64* @__polly_perf_cycles_total_start
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; CHECK-NEXT: %2 = sub i64 %0, %1
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; CHECK-NEXT: %3 = load volatile i64, i64* @__polly_perf_cycles_in_scops
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; CHECK-NEXT: %4 = call i32 (...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @1, i32 0, i32 0), i8 addrspace(4)* getelementptr inbounds ([27 x i8], [27 x i8] addrspace(4)* @0, i32 0, i32 0))
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; CHECK-NEXT: %5 = call i32 @fflush(i8* null)
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; CHECK-NEXT: %6 = call i32 (...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @3, i32 0, i32 0), i8 addrspace(4)* getelementptr inbounds ([27 x i8], [27 x i8] addrspace(4)* @2, i32 0, i32 0))
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; CHECK-NEXT: %7 = call i32 @fflush(i8* null)
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; CHECK-NEXT: %8 = call i32 (...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @6, i32 0, i32 0), i8 addrspace(4)* getelementptr inbounds ([8 x i8], [8 x i8] addrspace(4)* @4, i32 0, i32 0), i64 %2, i8 addrspace(4)* getelementptr inbounds ([2 x i8], [2 x i8] addrspace(4)* @5, i32 0, i32 0))
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; CHECK-NEXT: %9 = call i32 @fflush(i8* null)
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; CHECK-NEXT: %10 = call i32 (...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @9, i32 0, i32 0), i8 addrspace(4)* getelementptr inbounds ([8 x i8], [8 x i8] addrspace(4)* @7, i32 0, i32 0), i64 %3, i8 addrspace(4)* getelementptr inbounds ([2 x i8], [2 x i8] addrspace(4)* @8, i32 0, i32 0))
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; CHECK-NEXT: %11 = call i32 @fflush(i8* null)
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; CHECK: define weak_odr void @__polly_perf_init() {
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; CHECK-NEXT: start:
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; CHECK-NEXT: %0 = load i1, i1* @__polly_perf_initialized
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; CHECK-NEXT: br i1 %0, label %earlyreturn, label %initbb
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; CHECK: earlyreturn: ; preds = %start
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; CHECK-NEXT: ret void
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; CHECK: initbb: ; preds = %start
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; CHECK-NEXT: store i1 true, i1* @__polly_perf_initialized
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; CHECK-NEXT: %1 = call i32 @atexit(i8* bitcast (void ()* @__polly_perf_final to i8*))
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; CHECK-NEXT: %2 = call i64 @llvm.x86.rdtscp(i8* bitcast (i32* @__polly_perf_write_loation to i8*))
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; CHECK-NEXT: store volatile i64 %2, i64* @__polly_perf_cycles_total_start
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; CHECK-NEXT: ret void
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; CHECK-NEXT: }
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