106 lines
4.5 KiB
C
106 lines
4.5 KiB
C
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// RUN: %clang_cc1 -triple powerpc64le-unknown-linux-gnu -emit-llvm \
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// RUN: -target-cpu pwr9 -target-feature +float128 -mabi=ieeelongdouble \
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// RUN: -o - %s | FileCheck %s -check-prefix=IEEE
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// RUN: %clang_cc1 -triple powerpc64le-unknown-linux-gnu -emit-llvm \
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// RUN: -target-cpu pwr9 -target-feature +float128 \
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// RUN: -o - %s | FileCheck %s -check-prefix=IBM
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// RUN: %clang_cc1 -triple ppc64le -emit-llvm-bc %s -target-cpu pwr9 \
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// RUN: -target-feature +float128 -mabi=ieeelongdouble -fopenmp \
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// RUN: -fopenmp-targets=ppc64le -o %t-ppc-host.bc
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// RUN: %clang_cc1 -triple ppc64le -aux-triple ppc64le %s -target-cpu pwr9 \
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// RUN: -target-feature +float128 -fopenmp -fopenmp-is-target-device -emit-llvm \
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// RUN: -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s \
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// RUN: -check-prefix=OMP-TARGET
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// RUN: %clang_cc1 -triple ppc64le %t-ppc-host.bc -emit-llvm -o - | FileCheck %s \
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// RUN: -check-prefix=OMP-HOST
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#include <stdarg.h>
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typedef struct { long double x; } ldbl128_s;
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void foo_ld(long double);
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void foo_fq(__float128);
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void foo_ls(ldbl128_s);
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// Verify cases when OpenMP target's and host's long-double semantics differ.
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// OMP-TARGET-LABEL: define internal void @__omp_offloading_{{.+}}_omp_{{.+}}.omp_outlined(
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// OMP-TARGET: %[[CUR:[0-9a-zA-Z_.]+]] = load ptr, ptr
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// OMP-TARGET: %[[V3:[0-9a-zA-Z_.]+]] = load ppc_fp128, ptr %[[CUR]], align 8
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// OMP-TARGET: call void @foo_ld(ppc_fp128 noundef %[[V3]])
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// OMP-HOST-LABEL: define{{.*}} void @omp(
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// OMP-HOST: call void @llvm.va_start(ptr %[[AP:[0-9a-zA-Z_.]+]])
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// OMP-HOST: %[[CUR:[0-9a-zA-Z_.]+]] = load ptr, ptr %[[AP]], align 8
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// OMP-HOST: %[[TMP0:[^ ]+]] = getelementptr inbounds i8, ptr %[[CUR]], i32 15
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// OMP-HOST: %[[ALIGN:[^ ]+]] = call ptr @llvm.ptrmask.p0.i64(ptr %[[TMP0]], i64 -16)
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// OMP-HOST: %[[V4:[0-9a-zA-Z_.]+]] = load fp128, ptr %[[ALIGN]], align 16
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// OMP-HOST: call void @foo_ld(fp128 noundef %[[V4]])
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void omp(int n, ...) {
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va_list ap;
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va_start(ap, n);
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foo_ld(va_arg(ap, long double));
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#pragma omp target parallel
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for (int i = 1; i < n; ++i) {
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foo_ld(va_arg(ap, long double));
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}
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va_end(ap);
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}
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// IEEE-LABEL: define{{.*}} void @f128
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// IEEE: call void @llvm.va_start(ptr %[[AP:[0-9a-zA-Z_.]+]])
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// IEEE: %[[CUR:[0-9a-zA-Z_.]+]] = load ptr, ptr %[[AP]]
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// IEEE: %[[TMP0:[^ ]+]] = getelementptr inbounds i8, ptr %[[CUR]], i32 15
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// IEEE: %[[ALIGN:[^ ]+]] = call ptr @llvm.ptrmask.p0.i64(ptr %[[TMP0]], i64 -16)
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// IEEE: %[[V4:[0-9a-zA-Z_.]+]] = load fp128, ptr %[[ALIGN]], align 16
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// IEEE: call void @foo_fq(fp128 noundef %[[V4]])
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// IEEE: call void @llvm.va_end(ptr %[[AP]])
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void f128(int n, ...) {
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va_list ap;
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va_start(ap, n);
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foo_fq(va_arg(ap, __float128));
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va_end(ap);
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}
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// IEEE-LABEL: define{{.*}} void @long_double
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// IEEE: call void @llvm.va_start(ptr %[[AP:[0-9a-zA-Z_.]+]])
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// IEEE: %[[CUR:[0-9a-zA-Z_.]+]] = load ptr, ptr %[[AP]]
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// IEEE: %[[TMP0:[^ ]+]] = getelementptr inbounds i8, ptr %[[CUR]], i32 15
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// IEEE: %[[ALIGN:[^ ]+]] = call ptr @llvm.ptrmask.p0.i64(ptr %[[TMP0]], i64 -16)
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// IEEE: %[[V4:[0-9a-zA-Z_.]+]] = load fp128, ptr %[[ALIGN]], align 16
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// IEEE: call void @foo_ld(fp128 noundef %[[V4]])
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// IEEE: call void @llvm.va_end(ptr %[[AP]])
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// IBM-LABEL: define{{.*}} void @long_double
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// IBM: call void @llvm.va_start(ptr %[[AP:[0-9a-zA-Z_.]+]])
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// IBM: %[[CUR:[0-9a-zA-Z_.]+]] = load ptr, ptr %[[AP]]
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// IBM: %[[V4:[0-9a-zA-Z_.]+]] = load ppc_fp128, ptr %[[CUR]], align 8
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// IBM: call void @foo_ld(ppc_fp128 noundef %[[V4]])
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// IBM: call void @llvm.va_end(ptr %[[AP]])
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void long_double(int n, ...) {
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va_list ap;
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va_start(ap, n);
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foo_ld(va_arg(ap, long double));
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va_end(ap);
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}
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// IEEE-LABEL: define{{.*}} void @long_double_struct
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// IEEE: call void @llvm.va_start(ptr %[[AP:[0-9a-zA-Z_.]+]])
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// IEEE: %[[CUR:[0-9a-zA-Z_.]+]] = load ptr, ptr %[[AP]]
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// IEEE: %[[TMP0:[^ ]+]] = getelementptr inbounds i8, ptr %[[CUR]], i32 15
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// IEEE: %[[ALIGN:[^ ]+]] = call ptr @llvm.ptrmask.p0.i64(ptr %[[TMP0]], i64 -16)
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// IEEE: %[[V0:[0-9a-zA-Z_.]+]] = getelementptr inbounds i8, ptr %[[ALIGN]], i64 16
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// IEEE: store ptr %[[V0]], ptr %[[AP]], align 8
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// IEEE: call void @llvm.memcpy.p0.p0.i64(ptr align 16 %[[TMP:[0-9a-zA-Z_.]+]], ptr align 16 %[[ALIGN]], i64 16, i1 false)
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// IEEE: %[[COERCE:[0-9a-zA-Z_.]+]] = getelementptr inbounds %struct.ldbl128_s, ptr %[[TMP]], i32 0, i32 0
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// IEEE: %[[V4:[0-9a-zA-Z_.]+]] = load fp128, ptr %[[COERCE]], align 16
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// IEEE: call void @foo_ls(fp128 inreg %[[V4]])
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// IEEE: call void @llvm.va_end(ptr %[[AP]])
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void long_double_struct(int n, ...) {
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va_list ap;
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va_start(ap, n);
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foo_ls(va_arg(ap, ldbl128_s));
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va_end(ap);
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}
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