derek.holloway
7502bf64a4
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143 lines
6.0 KiB
C
143 lines
6.0 KiB
C
// RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -target-cpu pwr7 -emit-llvm %s -o - | FileCheck %s
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// RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -target-cpu pwr7 -emit-llvm %s -o - | FileCheck %s
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// CHECK: @internal = internal ifunc i32 (), ptr @internal.resolver
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// CHECK: @foo = ifunc i32 (), ptr @foo.resolver
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// CHECK: @foo_dupes = ifunc void (), ptr @foo_dupes.resolver
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// CHECK: @unused = ifunc void (), ptr @unused.resolver
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// CHECK: @foo_inline = linkonce ifunc i32 (), ptr @foo_inline.resolver
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// CHECK: @foo_ref_then_def = ifunc i32 (), ptr @foo_ref_then_def.resolver
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// CHECK: @foo_priority = ifunc i32 (i32), ptr @foo_priority.resolver
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// CHEECK: @isa_level = ifunc i32 (i32), ptr @isa_level.resolver
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static int __attribute__((target_clones("cpu=power10, default"))) internal(void) { return 0; }
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int use(void) { return internal(); }
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// CHECK: define internal ptr @internal.resolver()
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// test all supported cpus
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int __attribute__((target_clones("cpu=power10, cpu=power11, cpu=pwr9, cpu=pwr7, cpu=power8, default"))) foo(void) { return 0; }
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// CHECK: define internal {{.*}}i32 @foo.cpu_pwr10() #[[#ATTR_P10:]]
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// CHECK: define internal {{.*}}i32 @foo.cpu_pwr11() #[[#ATTR_P11:]]
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// CHECK: define internal {{.*}}i32 @foo.cpu_pwr9() #[[#ATTR_P9:]]
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// CHECK: define internal {{.*}}i32 @foo.cpu_pwr7() #[[#ATTR_P7:]]
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// CHECK: define internal {{.*}}i32 @foo.cpu_pwr8() #[[#ATTR_P8:]]
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// CHECK: define internal {{.*}}i32 @foo.default() #[[#ATTR_P7:]]
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// CHECK: define internal ptr @foo.resolver()
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// CHECK: ret ptr @foo.cpu_pwr11
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// CHECK: ret ptr @foo.cpu_pwr10
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// CHECK: ret ptr @foo.cpu_pwr9
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// CHECK: ret ptr @foo.cpu_pwr8
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// CHECK: ret ptr @foo.cpu_pwr7
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// CHECK: ret ptr @foo.default
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__attribute__((target_clones("default,default ,cpu=pwr8"))) void foo_dupes(void) {}
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// CHECK: define internal void @foo_dupes.default() #[[#ATTR_P7]]
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// CHECK: define internal void @foo_dupes.cpu_pwr8() #[[#ATTR_P8:]]
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// CHECK: define internal ptr @foo_dupes.resolver()
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// CHECK: ret ptr @foo_dupes.cpu_pwr8
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// CHECK: ret ptr @foo_dupes.default
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void bar2(void) {
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// CHECK: define {{.*}}void @bar2()
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foo_dupes();
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// CHECK: call void @foo_dupes()
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}
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int bar(void) {
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// CHECK: define {{.*}}i32 @bar()
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return foo();
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// CHECK: call {{.*}}i32 @foo()
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}
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void __attribute__((target_clones("default, cpu=pwr9"))) unused(void) {}
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// CHECK: define internal void @unused.default() #[[#ATTR_P7]]
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// CHECK: define internal void @unused.cpu_pwr9() #[[#ATTR_P9:]]
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// CHECK: define internal ptr @unused.resolver()
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// CHECK: ret ptr @unused.cpu_pwr9
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// CHECK: ret ptr @unused.default
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int __attribute__((target_clones("cpu=power10, default"))) inherited(void);
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int inherited(void) { return 0; }
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// CHECK: define internal {{.*}}i32 @inherited.cpu_pwr10() #[[#ATTR_P10]]
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// CHECK: define internal {{.*}}i32 @inherited.default() #[[#ATTR_P7]]
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// CHECK: define internal ptr @inherited.resolver()
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// CHECK: ret ptr @inherited.cpu_pwr10
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// CHECK: ret ptr @inherited.default
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int test_inherited(void) {
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// CHECK: define {{.*}}i32 @test_inherited()
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return inherited();
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// CHECK: call {{.*}}i32 @inherited()
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}
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inline int __attribute__((target_clones("default,cpu=pwr8")))
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foo_inline(void) { return 0; }
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int __attribute__((target_clones("cpu=pwr7,default")))
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foo_ref_then_def(void);
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int bar3(void) {
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// CHECK: define {{.*}}i32 @bar3()
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return foo_inline() + foo_ref_then_def();
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// CHECK: call {{.*}}i32 @foo_inline()
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// CHECK: call {{.*}}i32 @foo_ref_then_def()
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}
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// CHECK: define internal ptr @foo_inline.resolver()
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// CHECK: ret ptr @foo_inline.cpu_pwr8
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// CHECK: ret ptr @foo_inline.default
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int __attribute__((target_clones("cpu=pwr7,default")))
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foo_ref_then_def(void){ return 0; }
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// CHECK: define internal ptr @foo_ref_then_def.resolver()
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// CHECK: ret ptr @foo_ref_then_def.cpu_pwr7
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// CHECK: ret ptr @foo_ref_then_def.default
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int __attribute__((target_clones("default", "cpu=pwr8")))
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foo_unused_no_defn(void);
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// CHECK-NOT: foo_unused_no_defn
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int __attribute__((target_clones("default", "cpu=pwr9")))
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foo_used_no_defn(void);
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int test_foo_used_no_defn(void) {
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// CHECK: define {{.*}}i32 @test_foo_used_no_defn()
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return foo_used_no_defn();
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// CHECK: call {{.*}}i32 @foo_used_no_defn()
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}
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// CHECK: declare {{.*}}i32 @foo_used_no_defn()
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// Test that the CPU conditions are checked from the most to the least
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// restrictive (highest to lowest CPU). Also test the codegen for the
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// conditions
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int __attribute__((target_clones("cpu=pwr10", "cpu=pwr7", "cpu=pwr9", "default", "cpu=pwr8")))
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foo_priority(int x) { return x & (x - 1); }
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// CHECK: define internal ptr @foo_priority.resolver()
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// CHECK-NEXT: entry
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// if (__builtin_cpu_supports("arch_3_1")) return &foo_priority.cpu_pwr10;
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// CHECK-NEXT: %[[#L1:]] = load i32, ptr getelementptr inbounds nuw (i8, ptr @_system_configuration, {{i32|i64}} 4)
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// CHECK-NEXT: icmp uge i32 %[[#L1]], 262144
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// CHECK: ret ptr @foo_priority.cpu_pwr10
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// if (__builtin_cpu_supports("arch_3_00")) return &foo_priority.cpu_pwr9;
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// CHECK: %[[#L2:]] = load i32, ptr getelementptr inbounds nuw (i8, ptr @_system_configuration, {{i32|i64}} 4)
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// CHECK-NEXT: icmp uge i32 %[[#L2]], 131072
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// CHECK: ret ptr @foo_priority.cpu_pwr9
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// if (__builtin_cpu_supports("arch_2_07")) return &foo_priority.cpu_pwr8;
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// CHECK: %[[#L3:]] = load i32, ptr getelementptr inbounds nuw (i8, ptr @_system_configuration, {{i32|i64}} 4)
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// CHECK-NEXT: icmp uge i32 %[[#L3]], 65536
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// CHECK: ret ptr @foo_priority.cpu_pwr8
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// if (__builtin_cpu_supports("arch_2_06")) return &foo_priority.cpu_pwr8;
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// CHECK: %[[#L4:]] = load i32, ptr getelementptr inbounds nuw (i8, ptr @_system_configuration, {{i32|i64}} 4)
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// CHECK-NEXT: icmp uge i32 %[[#L4]], 32768
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// CHECK: ret ptr @foo_priority.cpu_pwr7
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// CHECK: ret ptr @foo_priority.default
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// CHECK: attributes #[[#ATTR_P7]] = {{.*}} "target-cpu"="pwr7"
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// CHECK: attributes #[[#ATTR_P10]] = {{.*}} "target-cpu"="pwr10"
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// CHECK: attributes #[[#ATTR_P11]] = {{.*}} "target-cpu"="pwr11"
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// CHECK: attributes #[[#ATTR_P9]] = {{.*}} "target-cpu"="pwr9"
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// CHECK: attributes #[[#ATTR_P8]] = {{.*}} "target-cpu"="pwr8"
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