ppc64-soft-float.c | Explore in Territory

// RUN: %clang_cc1 -msoft-float -mfloat-abi soft -triple powerpc64le-unknown-linux-gnu -emit-llvm -o - %s | FileCheck -check-prefix=CHECK -check-prefix=CHECK-LE %s
// RUN: %clang_cc1 -msoft-float -mfloat-abi soft -triple powerpc64-unknown-linux-gnu -emit-llvm -o - %s | FileCheck -check-prefix=CHECK -check-prefix=CHECK-BE %s

// Test float returns and params.

// CHECK: define{{.*}} float @func_p1(float noundef %x)
float func_p1(float x) { return x; }

// CHECK: define{{.*}} double @func_p2(double noundef %x)
double func_p2(double x) { return x; }

// CHECK: define{{.*}} ppc_fp128 @func_p3(ppc_fp128 noundef %x)
long double func_p3(long double x) { return x; }

// Test homogeneous float aggregate passing and returning.

struct f1 { float f[1]; };
struct f2 { float f[2]; };
struct f3 { float f[3]; };
struct f4 { float f[4]; };
struct f5 { float f[5]; };
struct f6 { float f[6]; };
struct f7 { float f[7]; };
struct f8 { float f[8]; };
struct f9 { float f[9]; };

struct fab { float a; float b; };
struct fabc { float a; float b; float c; };

struct f2a2b { float a[2]; float b[2]; };

// CHECK-LE: define{{.*}} i32 @func_f1(float inreg %x.coerce)
// CHECK-BE: define{{.*}} void @func_f1(ptr dead_on_unwind noalias writable sret(%struct.f1) align 4 %agg.result, float inreg %x.coerce)
struct f1 func_f1(struct f1 x) { return x; }

// CHECK-LE: define{{.*}} i64 @func_f2(i64 %x.coerce)
// CHECK-BE: define{{.*}} void @func_f2(ptr dead_on_unwind noalias writable sret(%struct.f2) align 4 %agg.result, i64 %x.coerce)
struct f2 func_f2(struct f2 x) { return x; }

// CHECK-LE: define{{.*}} { i64, i64 } @func_f3([2 x i64] %x.coerce)
// CHECK-BE: define{{.*}} void @func_f3(ptr dead_on_unwind noalias writable sret(%struct.f3) align 4 %agg.result, [2 x i64] %x.coerce)
struct f3 func_f3(struct f3 x) { return x; }

// CHECK-LE: define{{.*}} { i64, i64 } @func_f4([2 x i64] %x.coerce)
// CHECK-BE: define{{.*}} void @func_f4(ptr dead_on_unwind noalias writable sret(%struct.f4) align 4 %agg.result, [2 x i64] %x.coerce)
struct f4 func_f4(struct f4 x) { return x; }

// CHECK: define{{.*}} void @func_f5(ptr dead_on_unwind noalias writable sret(%struct.f5) align 4 %agg.result, [3 x i64] %x.coerce)
struct f5 func_f5(struct f5 x) { return x; }

// CHECK: define{{.*}} void @func_f6(ptr dead_on_unwind noalias writable sret(%struct.f6) align 4 %agg.result, [3 x i64] %x.coerce)
struct f6 func_f6(struct f6 x) { return x; }

// CHECK: define{{.*}} void @func_f7(ptr dead_on_unwind noalias writable sret(%struct.f7) align 4 %agg.result, [4 x i64] %x.coerce)
struct f7 func_f7(struct f7 x) { return x; }

// CHECK: define{{.*}} void @func_f8(ptr dead_on_unwind noalias writable sret(%struct.f8) align 4 %agg.result, [4 x i64] %x.coerce)
struct f8 func_f8(struct f8 x) { return x; }

// CHECK: define{{.*}} void @func_f9(ptr dead_on_unwind noalias writable sret(%struct.f9) align 4 %agg.result, [5 x i64] %x.coerce)
struct f9 func_f9(struct f9 x) { return x; }

// CHECK-LE: define{{.*}} i64 @func_fab(i64 %x.coerce)
// CHECK-BE: define{{.*}} void @func_fab(ptr dead_on_unwind noalias writable sret(%struct.fab) align 4 %agg.result, i64 %x.coerce)
struct fab func_fab(struct fab x) { return x; }

// CHECK-LE: define{{.*}} { i64, i64 } @func_fabc([2 x i64] %x.coerce)
// CHECK-BE: define{{.*}} void @func_fabc(ptr dead_on_unwind noalias writable sret(%struct.fabc) align 4 %agg.result, [2 x i64] %x.coerce)
struct fabc func_fabc(struct fabc x) { return x; }

// CHECK-LE: define{{.*}} { i64, i64 } @func_f2a2b([2 x i64] %x.coerce)
// CHECK-BE: define{{.*}} void @func_f2a2b(ptr dead_on_unwind noalias writable sret(%struct.f2a2b) align 4 %agg.result, [2 x i64] %x.coerce)
struct f2a2b func_f2a2b(struct f2a2b x) { return x; }

// CHECK-LABEL: @call_f1
// CHECK-BE: %[[TMP0:[^ ]+]] = alloca %struct.f1, align 4
// CHECK: %[[TMP:[^ ]+]] = load float, ptr @global_f1, align 4
// CHECK-LE: call i32 @func_f1(float inreg %[[TMP]])
// CHECK-BE: call void @func_f1(ptr dead_on_unwind writable sret(%struct.f1) align 4 %[[TMP0]], float inreg %[[TMP]])
struct f1 global_f1;
void call_f1(void) { global_f1 = func_f1(global_f1); }

// CHECK-LABEL: @call_f2
// CHECK-BE: %[[TMP0:[^ ]+]] = alloca %struct.f2, align 4
// CHECK: %[[TMP:[^ ]+]] = load i64, ptr @global_f2, align 4
// CHECK-LE: call i64 @func_f2(i64 %[[TMP]])
// CHECK-BE: call void @func_f2(ptr dead_on_unwind writable sret(%struct.f2) align 4 %[[TMP0]], i64 %[[TMP]])
struct f2 global_f2;
void call_f2(void) { global_f2 = func_f2(global_f2); }

// CHECK-LABEL: @call_f3
// CHECK-BE: %[[TMP0:[^ ]+]] = alloca %struct.f3, align 4
// CHECK: %[[TMP1:[^ ]+]] = alloca [2 x i64]
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %[[TMP1]], ptr align 4 @global_f3, i64 12, i1 false)
// CHECK: %[[TMP3:[^ ]+]] = load [2 x i64], ptr %[[TMP1]]
// CHECK-LE: call { i64, i64 } @func_f3([2 x i64] %[[TMP3]])
// CHECK-BE: call void @func_f3(ptr dead_on_unwind writable sret(%struct.f3) align 4 %[[TMP0]], [2 x i64] %[[TMP3]])
struct f3 global_f3;
void call_f3(void) { global_f3 = func_f3(global_f3); }

// CHECK-LABEL: @call_f4
// CHECK-BE: %[[TMP0:[^ ]+]] = alloca %struct.f4, align 4
// CHECK: %[[TMP:[^ ]+]] = load [2 x i64], ptr @global_f4, align 4
// CHECK-LE: call { i64, i64 } @func_f4([2 x i64] %[[TMP]])
// CHECK-BE: call void @func_f4(ptr dead_on_unwind writable sret(%struct.f4) align 4 %[[TMP0]], [2 x i64] %[[TMP]])
struct f4 global_f4;
void call_f4(void) { global_f4 = func_f4(global_f4); }

// CHECK-LABEL: @call_f5
// CHECK: %[[TMP0:[^ ]+]] = alloca %struct.f5, align 4
// CHECK: %[[TMP1:[^ ]+]] = alloca [3 x i64]
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %[[TMP1]], ptr align 4 @global_f5, i64 20, i1 false)
// CHECK: %[[TMP3:[^ ]+]] = load [3 x i64], ptr %[[TMP1]]
// CHECK: call void @func_f5(ptr dead_on_unwind writable sret(%struct.f5) align 4 %[[TMP0]], [3 x i64] %[[TMP3]])
struct f5 global_f5;
void call_f5(void) { global_f5 = func_f5(global_f5); }

// CHECK-LABEL: @call_f6
// CHECK: %[[TMP0:[^ ]+]] = alloca %struct.f6, align 4
// CHECK: %[[TMP:[^ ]+]] = load [3 x i64], ptr @global_f6, align 4
// CHECK: call void @func_f6(ptr dead_on_unwind writable sret(%struct.f6) align 4 %[[TMP0]], [3 x i64] %[[TMP]])
struct f6 global_f6;
void call_f6(void) { global_f6 = func_f6(global_f6); }

// CHECK-LABEL: @call_f7
// CHECK: %[[TMP0:[^ ]+]] = alloca %struct.f7, align 4
// CHECK: %[[TMP1:[^ ]+]] = alloca [4 x i64], align 8
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %[[TMP1]], ptr align 4 @global_f7, i64 28, i1 false)
// CHECK: %[[TMP3:[^ ]+]] = load [4 x i64], ptr %[[TMP1]], align 8
// CHECK: call void @func_f7(ptr dead_on_unwind writable sret(%struct.f7) align 4 %[[TMP0]], [4 x i64] %[[TMP3]])
struct f7 global_f7;
void call_f7(void) { global_f7 = func_f7(global_f7); }

// CHECK-LABEL: @call_f8
// CHECK: %[[TMP0:[^ ]+]] = alloca %struct.f8, align 4
// CHECK: %[[TMP:[^ ]+]] = load [4 x i64], ptr @global_f8, align 4
// CHECK: call void @func_f8(ptr dead_on_unwind writable sret(%struct.f8) align 4 %[[TMP0]], [4 x i64] %[[TMP]])
struct f8 global_f8;
void call_f8(void) { global_f8 = func_f8(global_f8); }

// CHECK-LABEL: @call_f9
// CHECK: %[[TMP1:[^ ]+]] = alloca [5 x i64]
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %[[TMP1]], ptr align 4 @global_f9, i64 36, i1 false)
// CHECK: %[[TMP3:[^ ]+]] = load [5 x i64], ptr %[[TMP1]]
// CHECK: call void @func_f9(ptr dead_on_unwind writable sret(%struct.f9) align 4 %{{[^ ]+}}, [5 x i64] %[[TMP3]])
struct f9 global_f9;
void call_f9(void) { global_f9 = func_f9(global_f9); }

// CHECK-LABEL: @call_fab
// CHECK: %[[TMP0:[^ ]+]] = alloca %struct.fab, align 4
// CHECK: %[[TMP:[^ ]+]] = load i64, ptr @global_fab, align 4
// CHECK-LE: %call = call i64 @func_fab(i64 %[[TMP]])
// CHECK-BE: call void @func_fab(ptr dead_on_unwind writable sret(%struct.fab) align 4 %[[TMP0]], i64 %[[TMP]])
struct fab global_fab;
void call_fab(void) { global_fab = func_fab(global_fab); }

// CHECK-LABEL: @call_fabc
// CHECK-BE: %[[TMPX:[^ ]+]] = alloca %struct.fabc, align 4
// CHECK: %[[TMP0:[^ ]+]] = alloca [2 x i64], align 8
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %[[TMP0]], ptr align 4 @global_fabc, i64 12, i1 false)
// CHECK: %[[TMP3:[^ ]+]] = load [2 x i64], ptr %[[TMP0]], align 8
// CHECK-LE: %call = call { i64, i64 } @func_fabc([2 x i64] %[[TMP3]])
// CHECK-BE: call void @func_fabc(ptr dead_on_unwind writable sret(%struct.fabc) align 4 %[[TMPX]], [2 x i64] %[[TMP3]])
struct fabc global_fabc;
void call_fabc(void) { global_fabc = func_fabc(global_fabc); }
llvm/clang/test/CodeGen/PowerPC/ppc64-soft-float.c
