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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature --include-generated-funcs
// RUN: %clang_cc1 -no-opaque-pointers -fopenmp-enable-irbuilder -verify -fopenmp -fopenmp-version=51 -x c -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
// expected-no-diagnostics
// REQUIRES: x86-registered-target
// TODO: The unroll-factor heuristic might be able to use the information that the trip count is constant, but currently is not able to determine that.
#ifndef HEADER
#define HEADER
double sind(double);
// CHECK-LABEL: define {{.*}}@unroll_partial_heuristic_constant_for(
// CHECK-NEXT: [[ENTRY:.*]]:
// CHECK-NEXT: %[[A_ADDR:.+]] = alloca float*, align 8
// CHECK-NEXT: %[[B_ADDR:.+]] = alloca float*, align 8
// CHECK-NEXT: %[[C_ADDR:.+]] = alloca float*, align 8
// CHECK-NEXT: %[[D_ADDR:.+]] = alloca float*, align 8
// CHECK-NEXT: %[[E_ADDR:.+]] = alloca float*, align 8
// CHECK-NEXT: %[[OFFSET_ADDR:.+]] = alloca float, align 4
// CHECK-NEXT: %[[I:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[AGG_CAPTURED:.+]] = alloca %struct.anon, align 8
// CHECK-NEXT: %[[AGG_CAPTURED1:.+]] = alloca %struct.anon.0, align 4
// CHECK-NEXT: %[[DOTCOUNT_ADDR:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[P_LASTITER:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[P_LOWERBOUND:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[P_UPPERBOUND:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[P_STRIDE:.+]] = alloca i32, align 4
// CHECK-NEXT: store float* %[[A:.+]], float** %[[A_ADDR]], align 8
// CHECK-NEXT: store float* %[[B:.+]], float** %[[B_ADDR]], align 8
// CHECK-NEXT: store float* %[[C:.+]], float** %[[C_ADDR]], align 8
// CHECK-NEXT: store float* %[[D:.+]], float** %[[D_ADDR]], align 8
// CHECK-NEXT: store float* %[[E:.+]], float** %[[E_ADDR]], align 8
// CHECK-NEXT: store float %[[OFFSET:.+]], float* %[[OFFSET_ADDR]], align 4
// CHECK-NEXT: store i32 0, i32* %[[I]], align 4
// CHECK-NEXT: %[[TMP0:.+]] = getelementptr inbounds %struct.anon, %struct.anon* %[[AGG_CAPTURED]], i32 0, i32 0
// CHECK-NEXT: store i32* %[[I]], i32** %[[TMP0]], align 8
// CHECK-NEXT: %[[TMP1:.+]] = getelementptr inbounds %struct.anon.0, %struct.anon.0* %[[AGG_CAPTURED1]], i32 0, i32 0
// CHECK-NEXT: %[[TMP2:.+]] = load i32, i32* %[[I]], align 4
// CHECK-NEXT: store i32 %[[TMP2]], i32* %[[TMP1]], align 4
// CHECK-NEXT: call void @__captured_stmt(i32* %[[DOTCOUNT_ADDR]], %struct.anon* %[[AGG_CAPTURED]])
// CHECK-NEXT: %[[DOTCOUNT:.+]] = load i32, i32* %[[DOTCOUNT_ADDR]], align 4
// CHECK-NEXT: br label %[[OMP_LOOP_PREHEADER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_LOOP_PREHEADER]]:
// CHECK-NEXT: %[[TMP3:.+]] = udiv i32 %[[DOTCOUNT]], 4
// CHECK-NEXT: %[[TMP4:.+]] = urem i32 %[[DOTCOUNT]], 4
// CHECK-NEXT: %[[TMP5:.+]] = icmp ne i32 %[[TMP4]], 0
// CHECK-NEXT: %[[TMP6:.+]] = zext i1 %[[TMP5]] to i32
// CHECK-NEXT: %[[OMP_FLOOR0_TRIPCOUNT:.+]] = add nuw i32 %[[TMP3]], %[[TMP6]]
// CHECK-NEXT: br label %[[OMP_FLOOR0_PREHEADER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_PREHEADER]]:
// CHECK-NEXT: store i32 0, i32* %[[P_LOWERBOUND]], align 4
// CHECK-NEXT: %[[TMP7:.+]] = sub i32 %[[OMP_FLOOR0_TRIPCOUNT]], 1
// CHECK-NEXT: store i32 %[[TMP7]], i32* %[[P_UPPERBOUND]], align 4
// CHECK-NEXT: store i32 1, i32* %[[P_STRIDE]], align 4
// CHECK-NEXT: %[[OMP_GLOBAL_THREAD_NUM:.+]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @1)
// CHECK-NEXT: call void @__kmpc_for_static_init_4u(%struct.ident_t* @1, i32 %[[OMP_GLOBAL_THREAD_NUM]], i32 34, i32* %[[P_LASTITER]], i32* %[[P_LOWERBOUND]], i32* %[[P_UPPERBOUND]], i32* %[[P_STRIDE]], i32 1, i32 0)
// CHECK-NEXT: %[[TMP8:.+]] = load i32, i32* %[[P_LOWERBOUND]], align 4
// CHECK-NEXT: %[[TMP9:.+]] = load i32, i32* %[[P_UPPERBOUND]], align 4
// CHECK-NEXT: %[[TMP10:.+]] = sub i32 %[[TMP9]], %[[TMP8]]
// CHECK-NEXT: %[[TMP11:.+]] = add i32 %[[TMP10]], 1
// CHECK-NEXT: br label %[[OMP_FLOOR0_HEADER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_HEADER]]:
// CHECK-NEXT: %[[OMP_FLOOR0_IV:.+]] = phi i32 [ 0, %[[OMP_FLOOR0_PREHEADER]] ], [ %[[OMP_FLOOR0_NEXT:.+]], %[[OMP_FLOOR0_INC:.+]] ]
// CHECK-NEXT: br label %[[OMP_FLOOR0_COND:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_COND]]:
// CHECK-NEXT: %[[OMP_FLOOR0_CMP:.+]] = icmp ult i32 %[[OMP_FLOOR0_IV]], %[[TMP11]]
// CHECK-NEXT: br i1 %[[OMP_FLOOR0_CMP]], label %[[OMP_FLOOR0_BODY:.+]], label %[[OMP_FLOOR0_EXIT:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_BODY]]:
// CHECK-NEXT: %[[TMP12:.+]] = add i32 %[[OMP_FLOOR0_IV]], %[[TMP8]]
// CHECK-NEXT: %[[TMP13:.+]] = icmp eq i32 %[[TMP12]], %[[OMP_FLOOR0_TRIPCOUNT]]
// CHECK-NEXT: %[[TMP14:.+]] = select i1 %[[TMP13]], i32 %[[TMP4]], i32 4
// CHECK-NEXT: br label %[[OMP_TILE0_PREHEADER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_PREHEADER]]:
// CHECK-NEXT: br label %[[OMP_TILE0_HEADER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_HEADER]]:
// CHECK-NEXT: %[[OMP_TILE0_IV:.+]] = phi i32 [ 0, %[[OMP_TILE0_PREHEADER]] ], [ %[[OMP_TILE0_NEXT:.+]], %[[OMP_TILE0_INC:.+]] ]
// CHECK-NEXT: br label %[[OMP_TILE0_COND:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_COND]]:
// CHECK-NEXT: %[[OMP_TILE0_CMP:.+]] = icmp ult i32 %[[OMP_TILE0_IV]], %[[TMP14]]
// CHECK-NEXT: br i1 %[[OMP_TILE0_CMP]], label %[[OMP_TILE0_BODY:.+]], label %[[OMP_TILE0_EXIT:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_BODY]]:
// CHECK-NEXT: %[[TMP15:.+]] = mul nuw i32 4, %[[TMP12]]
// CHECK-NEXT: %[[TMP16:.+]] = add nuw i32 %[[TMP15]], %[[OMP_TILE0_IV]]
// CHECK-NEXT: br label %[[OMP_LOOP_BODY:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_LOOP_BODY]]:
// CHECK-NEXT: call void @__captured_stmt.1(i32* %[[I]], i32 %[[TMP16]], %struct.anon.0* %[[AGG_CAPTURED1]])
// CHECK-NEXT: %[[TMP17:.+]] = load float*, float** %[[B_ADDR]], align 8
// CHECK-NEXT: %[[TMP18:.+]] = load i32, i32* %[[I]], align 4
// CHECK-NEXT: %[[IDXPROM:.+]] = sext i32 %[[TMP18]] to i64
// CHECK-NEXT: %[[ARRAYIDX:.+]] = getelementptr inbounds float, float* %[[TMP17]], i64 %[[IDXPROM]]
// CHECK-NEXT: %[[TMP19:.+]] = load float, float* %[[ARRAYIDX]], align 4
// CHECK-NEXT: %[[CONV:.+]] = fpext float %[[TMP19]] to double
// CHECK-NEXT: %[[CALL:.+]] = call double @sind(double noundef %[[CONV]])
// CHECK-NEXT: %[[TMP20:.+]] = load float*, float** %[[C_ADDR]], align 8
// CHECK-NEXT: %[[TMP21:.+]] = load i32, i32* %[[I]], align 4
// CHECK-NEXT: %[[IDXPROM2:.+]] = sext i32 %[[TMP21]] to i64
// CHECK-NEXT: %[[ARRAYIDX3:.+]] = getelementptr inbounds float, float* %[[TMP20]], i64 %[[IDXPROM2]]
// CHECK-NEXT: %[[TMP22:.+]] = load float, float* %[[ARRAYIDX3]], align 4
// CHECK-NEXT: %[[CONV4:.+]] = fpext float %[[TMP22]] to double
// CHECK-NEXT: %[[MUL:.+]] = fmul double %[[CALL]], %[[CONV4]]
// CHECK-NEXT: %[[TMP23:.+]] = load float*, float** %[[D_ADDR]], align 8
// CHECK-NEXT: %[[TMP24:.+]] = load i32, i32* %[[I]], align 4
// CHECK-NEXT: %[[IDXPROM5:.+]] = sext i32 %[[TMP24]] to i64
// CHECK-NEXT: %[[ARRAYIDX6:.+]] = getelementptr inbounds float, float* %[[TMP23]], i64 %[[IDXPROM5]]
// CHECK-NEXT: %[[TMP25:.+]] = load float, float* %[[ARRAYIDX6]], align 4
// CHECK-NEXT: %[[CONV7:.+]] = fpext float %[[TMP25]] to double
// CHECK-NEXT: %[[MUL8:.+]] = fmul double %[[MUL]], %[[CONV7]]
// CHECK-NEXT: %[[TMP26:.+]] = load float*, float** %[[E_ADDR]], align 8
// CHECK-NEXT: %[[TMP27:.+]] = load i32, i32* %[[I]], align 4
// CHECK-NEXT: %[[IDXPROM9:.+]] = sext i32 %[[TMP27]] to i64
// CHECK-NEXT: %[[ARRAYIDX10:.+]] = getelementptr inbounds float, float* %[[TMP26]], i64 %[[IDXPROM9]]
// CHECK-NEXT: %[[TMP28:.+]] = load float, float* %[[ARRAYIDX10]], align 4
// CHECK-NEXT: %[[CONV11:.+]] = fpext float %[[TMP28]] to double
// CHECK-NEXT: %[[MUL12:.+]] = fmul double %[[MUL8]], %[[CONV11]]
// CHECK-NEXT: %[[TMP29:.+]] = load float, float* %[[OFFSET_ADDR]], align 4
// CHECK-NEXT: %[[CONV13:.+]] = fpext float %[[TMP29]] to double
// CHECK-NEXT: %[[ADD:.+]] = fadd double %[[MUL12]], %[[CONV13]]
// CHECK-NEXT: %[[TMP30:.+]] = load float*, float** %[[A_ADDR]], align 8
// CHECK-NEXT: %[[TMP31:.+]] = load i32, i32* %[[I]], align 4
// CHECK-NEXT: %[[IDXPROM14:.+]] = sext i32 %[[TMP31]] to i64
// CHECK-NEXT: %[[ARRAYIDX15:.+]] = getelementptr inbounds float, float* %[[TMP30]], i64 %[[IDXPROM14]]
// CHECK-NEXT: %[[TMP32:.+]] = load float, float* %[[ARRAYIDX15]], align 4
// CHECK-NEXT: %[[CONV16:.+]] = fpext float %[[TMP32]] to double
// CHECK-NEXT: %[[ADD17:.+]] = fadd double %[[CONV16]], %[[ADD]]
// CHECK-NEXT: %[[CONV18:.+]] = fptrunc double %[[ADD17]] to float
// CHECK-NEXT: store float %[[CONV18]], float* %[[ARRAYIDX15]], align 4
// CHECK-NEXT: br label %[[OMP_TILE0_INC]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_INC]]:
// CHECK-NEXT: %[[OMP_TILE0_NEXT]] = add nuw i32 %[[OMP_TILE0_IV]], 1
// CHECK-NEXT: br label %[[OMP_TILE0_HEADER]], !llvm.loop ![[LOOP3:[0-9]+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_EXIT]]:
// CHECK-NEXT: br label %[[OMP_TILE0_AFTER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_TILE0_AFTER]]:
// CHECK-NEXT: br label %[[OMP_FLOOR0_INC]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_INC]]:
// CHECK-NEXT: %[[OMP_FLOOR0_NEXT]] = add nuw i32 %[[OMP_FLOOR0_IV]], 1
// CHECK-NEXT: br label %[[OMP_FLOOR0_HEADER]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_EXIT]]:
// CHECK-NEXT: call void @__kmpc_for_static_fini(%struct.ident_t* @1, i32 %[[OMP_GLOBAL_THREAD_NUM]])
// CHECK-NEXT: %[[OMP_GLOBAL_THREAD_NUM19:.+]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @1)
// CHECK-NEXT: call void @__kmpc_barrier(%struct.ident_t* @2, i32 %[[OMP_GLOBAL_THREAD_NUM19]])
// CHECK-NEXT: br label %[[OMP_FLOOR0_AFTER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_FLOOR0_AFTER]]:
// CHECK-NEXT: br label %[[OMP_LOOP_AFTER:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[OMP_LOOP_AFTER]]:
// CHECK-NEXT: ret void
// CHECK-NEXT: }
void unroll_partial_heuristic_constant_for(float *a, float *b, float *c, float *d, float *e, float offset) {
#pragma omp for
#pragma omp unroll partial
for (int i = 0; i < 128; i++) {
a[i] += sind(b[i]) * c[i] * d[i] * e[i] + offset;
}
}
#endif // HEADER
// CHECK-LABEL: define {{.*}}@__captured_stmt(
// CHECK-NEXT: [[ENTRY:.*]]:
// CHECK-NEXT: %[[DISTANCE_ADDR:.+]] = alloca i32*, align 8
// CHECK-NEXT: %[[__CONTEXT_ADDR:.+]] = alloca %struct.anon*, align 8
// CHECK-NEXT: %[[DOTSTART:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[DOTSTOP:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[DOTSTEP:.+]] = alloca i32, align 4
// CHECK-NEXT: store i32* %[[DISTANCE:.+]], i32** %[[DISTANCE_ADDR]], align 8
// CHECK-NEXT: store %struct.anon* %[[__CONTEXT:.+]], %struct.anon** %[[__CONTEXT_ADDR]], align 8
// CHECK-NEXT: %[[TMP0:.+]] = load %struct.anon*, %struct.anon** %[[__CONTEXT_ADDR]], align 8
// CHECK-NEXT: %[[TMP1:.+]] = getelementptr inbounds %struct.anon, %struct.anon* %[[TMP0]], i32 0, i32 0
// CHECK-NEXT: %[[TMP2:.+]] = load i32*, i32** %[[TMP1]], align 8
// CHECK-NEXT: %[[TMP3:.+]] = load i32, i32* %[[TMP2]], align 4
// CHECK-NEXT: store i32 %[[TMP3]], i32* %[[DOTSTART]], align 4
// CHECK-NEXT: store i32 128, i32* %[[DOTSTOP]], align 4
// CHECK-NEXT: store i32 1, i32* %[[DOTSTEP]], align 4
// CHECK-NEXT: %[[TMP4:.+]] = load i32, i32* %[[DOTSTART]], align 4
// CHECK-NEXT: %[[TMP5:.+]] = load i32, i32* %[[DOTSTOP]], align 4
// CHECK-NEXT: %[[CMP:.+]] = icmp slt i32 %[[TMP4]], %[[TMP5]]
// CHECK-NEXT: br i1 %[[CMP]], label %[[COND_TRUE:.+]], label %[[COND_FALSE:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[COND_TRUE]]:
// CHECK-NEXT: %[[TMP6:.+]] = load i32, i32* %[[DOTSTOP]], align 4
// CHECK-NEXT: %[[TMP7:.+]] = load i32, i32* %[[DOTSTART]], align 4
// CHECK-NEXT: %[[SUB:.+]] = sub nsw i32 %[[TMP6]], %[[TMP7]]
// CHECK-NEXT: %[[TMP8:.+]] = load i32, i32* %[[DOTSTEP]], align 4
// CHECK-NEXT: %[[SUB1:.+]] = sub i32 %[[TMP8]], 1
// CHECK-NEXT: %[[ADD:.+]] = add i32 %[[SUB]], %[[SUB1]]
// CHECK-NEXT: %[[TMP9:.+]] = load i32, i32* %[[DOTSTEP]], align 4
// CHECK-NEXT: %[[DIV:.+]] = udiv i32 %[[ADD]], %[[TMP9]]
// CHECK-NEXT: br label %[[COND_END:.+]]
// CHECK-EMPTY:
// CHECK-NEXT: [[COND_FALSE]]:
// CHECK-NEXT: br label %[[COND_END]]
// CHECK-EMPTY:
// CHECK-NEXT: [[COND_END]]:
// CHECK-NEXT: %[[COND:.+]] = phi i32 [ %[[DIV]], %[[COND_TRUE]] ], [ 0, %[[COND_FALSE]] ]
// CHECK-NEXT: %[[TMP10:.+]] = load i32*, i32** %[[DISTANCE_ADDR]], align 8
// CHECK-NEXT: store i32 %[[COND]], i32* %[[TMP10]], align 4
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK-LABEL: define {{.*}}@__captured_stmt.1(
// CHECK-NEXT: [[ENTRY:.*]]:
// CHECK-NEXT: %[[LOOPVAR_ADDR:.+]] = alloca i32*, align 8
// CHECK-NEXT: %[[LOGICAL_ADDR:.+]] = alloca i32, align 4
// CHECK-NEXT: %[[__CONTEXT_ADDR:.+]] = alloca %struct.anon.0*, align 8
// CHECK-NEXT: store i32* %[[LOOPVAR:.+]], i32** %[[LOOPVAR_ADDR]], align 8
// CHECK-NEXT: store i32 %[[LOGICAL:.+]], i32* %[[LOGICAL_ADDR]], align 4
// CHECK-NEXT: store %struct.anon.0* %[[__CONTEXT:.+]], %struct.anon.0** %[[__CONTEXT_ADDR]], align 8
// CHECK-NEXT: %[[TMP0:.+]] = load %struct.anon.0*, %struct.anon.0** %[[__CONTEXT_ADDR]], align 8
// CHECK-NEXT: %[[TMP1:.+]] = getelementptr inbounds %struct.anon.0, %struct.anon.0* %[[TMP0]], i32 0, i32 0
// CHECK-NEXT: %[[TMP2:.+]] = load i32, i32* %[[TMP1]], align 4
// CHECK-NEXT: %[[TMP3:.+]] = load i32, i32* %[[LOGICAL_ADDR]], align 4
// CHECK-NEXT: %[[MUL:.+]] = mul i32 1, %[[TMP3]]
// CHECK-NEXT: %[[ADD:.+]] = add i32 %[[TMP2]], %[[MUL]]
// CHECK-NEXT: %[[TMP4:.+]] = load i32*, i32** %[[LOOPVAR_ADDR]], align 8
// CHECK-NEXT: store i32 %[[ADD]], i32* %[[TMP4]], align 4
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK: ![[META0:[0-9]+]] = !{i32 1, !"wchar_size", i32 4}
// CHECK: ![[META1:[0-9]+]] = !{i32 7, !"openmp", i32 51}
// CHECK: ![[META2:[0-9]+]] =
// CHECK: ![[LOOP3]] = distinct !{![[LOOP3]], ![[LOOPPROP4:[0-9]+]], ![[LOOPPROP5:[0-9]+]]}
// CHECK: ![[LOOPPROP4]] = !{!"llvm.loop.unroll.enable"}
// CHECK: ![[LOOPPROP5]] = !{!"llvm.loop.unroll.count", i32 4}
|
