clang/test/CodeGen/PowerPC/ppc64-soft-float.c

   1 // 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
   2 // 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
   3
   4 // Test float returns and params.
   5
   6 // CHECK: define{{.*}} float @func_p1(float noundef %x)
   7 float func_p1(float x) { return x; }
   8
   9 // CHECK: define{{.*}} double @func_p2(double noundef %x)
  10 double func_p2(double x) { return x; }
  11
  12 // CHECK: define{{.*}} ppc_fp128 @func_p3(ppc_fp128 noundef %x)
  13 long double func_p3(long double x) { return x; }
  14
  15 // Test homogeneous float aggregate passing and returning.
  16
  17 struct f1 { float f[1]; };
  18 struct f2 { float f[2]; };
  19 struct f3 { float f[3]; };
  20 struct f4 { float f[4]; };
  21 struct f5 { float f[5]; };
  22 struct f6 { float f[6]; };
  23 struct f7 { float f[7]; };
  24 struct f8 { float f[8]; };
  25 struct f9 { float f[9]; };
  26
  27 struct fab { float a; float b; };
  28 struct fabc { float a; float b; float c; };
  29
  30 struct f2a2b { float a[2]; float b[2]; };
  31
  32 // CHECK-LE: define{{.*}} i32 @func_f1(float inreg %x.coerce)
  33 // CHECK-BE: define{{.*}} void @func_f1(ptr dead_on_unwind noalias writable sret(%struct.f1) align 4 %agg.result, float inreg %x.coerce)
  34 struct f1 func_f1(struct f1 x) { return x; }
  35
  36 // CHECK-LE: define{{.*}} i64 @func_f2(i64 %x.coerce)
  37 // CHECK-BE: define{{.*}} void @func_f2(ptr dead_on_unwind noalias writable sret(%struct.f2) align 4 %agg.result, i64 %x.coerce)
  38 struct f2 func_f2(struct f2 x) { return x; }
  39
  40 // CHECK-LE: define{{.*}} { i64, i64 } @func_f3([2 x i64] %x.coerce)
  41 // CHECK-BE: define{{.*}} void @func_f3(ptr dead_on_unwind noalias writable sret(%struct.f3) align 4 %agg.result, [2 x i64] %x.coerce)
  42 struct f3 func_f3(struct f3 x) { return x; }
  43
  44 // CHECK-LE: define{{.*}} { i64, i64 } @func_f4([2 x i64] %x.coerce)
  45 // CHECK-BE: define{{.*}} void @func_f4(ptr dead_on_unwind noalias writable sret(%struct.f4) align 4 %agg.result, [2 x i64] %x.coerce)
  46 struct f4 func_f4(struct f4 x) { return x; }
  47
  48 // CHECK: define{{.*}} void @func_f5(ptr dead_on_unwind noalias writable sret(%struct.f5) align 4 %agg.result, [3 x i64] %x.coerce)
  49 struct f5 func_f5(struct f5 x) { return x; }
  50
  51 // CHECK: define{{.*}} void @func_f6(ptr dead_on_unwind noalias writable sret(%struct.f6) align 4 %agg.result, [3 x i64] %x.coerce)
  52 struct f6 func_f6(struct f6 x) { return x; }
  53
  54 // CHECK: define{{.*}} void @func_f7(ptr dead_on_unwind noalias writable sret(%struct.f7) align 4 %agg.result, [4 x i64] %x.coerce)
  55 struct f7 func_f7(struct f7 x) { return x; }
  56
  57 // CHECK: define{{.*}} void @func_f8(ptr dead_on_unwind noalias writable sret(%struct.f8) align 4 %agg.result, [4 x i64] %x.coerce)
  58 struct f8 func_f8(struct f8 x) { return x; }
  59
  60 // CHECK: define{{.*}} void @func_f9(ptr dead_on_unwind noalias writable sret(%struct.f9) align 4 %agg.result, [5 x i64] %x.coerce)
  61 struct f9 func_f9(struct f9 x) { return x; }
  62
  63 // CHECK-LE: define{{.*}} i64 @func_fab(i64 %x.coerce)
  64 // CHECK-BE: define{{.*}} void @func_fab(ptr dead_on_unwind noalias writable sret(%struct.fab) align 4 %agg.result, i64 %x.coerce)
  65 struct fab func_fab(struct fab x) { return x; }
  66
  67 // CHECK-LE: define{{.*}} { i64, i64 } @func_fabc([2 x i64] %x.coerce)
  68 // CHECK-BE: define{{.*}} void @func_fabc(ptr dead_on_unwind noalias writable sret(%struct.fabc) align 4 %agg.result, [2 x i64] %x.coerce)
  69 struct fabc func_fabc(struct fabc x) { return x; }
  70
  71 // CHECK-LE: define{{.*}} { i64, i64 } @func_f2a2b([2 x i64] %x.coerce)
  72 // CHECK-BE: define{{.*}} void @func_f2a2b(ptr dead_on_unwind noalias writable sret(%struct.f2a2b) align 4 %agg.result, [2 x i64] %x.coerce)
  73 struct f2a2b func_f2a2b(struct f2a2b x) { return x; }
  74
  75 // CHECK-LABEL: @call_f1
  76 // CHECK-BE: %[[TMP0:[^ ]+]] = alloca %struct.f1, align 4
  77 // CHECK: %[[TMP:[^ ]+]] = load float, ptr @global_f1, align 4
  78 // CHECK-LE: call i32 @func_f1(float inreg %[[TMP]])
  79 // CHECK-BE: call void @func_f1(ptr dead_on_unwind writable sret(%struct.f1) align 4 %[[TMP0]], float inreg %[[TMP]])
  80 struct f1 global_f1;
  81 void call_f1(void) { global_f1 = func_f1(global_f1); }
  82
  83 // CHECK-LABEL: @call_f2
  84 // CHECK-BE: %[[TMP0:[^ ]+]] = alloca %struct.f2, align 4
  85 // CHECK: %[[TMP:[^ ]+]] = load i64, ptr @global_f2, align 4
  86 // CHECK-LE: call i64 @func_f2(i64 %[[TMP]])
  87 // CHECK-BE: call void @func_f2(ptr dead_on_unwind writable sret(%struct.f2) align 4 %[[TMP0]], i64 %[[TMP]])
  88 struct f2 global_f2;
  89 void call_f2(void) { global_f2 = func_f2(global_f2); }
  90
  91 // CHECK-LABEL: @call_f3
  92 // CHECK-BE: %[[TMP0:[^ ]+]] = alloca %struct.f3, align 4
  93 // CHECK: %[[TMP1:[^ ]+]] = alloca [2 x i64]
  94 // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %[[TMP1]], ptr align 4 @global_f3, i64 12, i1 false)
  95 // CHECK: %[[TMP3:[^ ]+]] = load [2 x i64], ptr %[[TMP1]]
  96 // CHECK-LE: call { i64, i64 } @func_f3([2 x i64] %[[TMP3]])
  97 // CHECK-BE: call void @func_f3(ptr dead_on_unwind writable sret(%struct.f3) align 4 %[[TMP0]], [2 x i64] %[[TMP3]])
  98 struct f3 global_f3;
  99 void call_f3(void) { global_f3 = func_f3(global_f3); }
 100
 101 // CHECK-LABEL: @call_f4
 102 // CHECK-BE: %[[TMP0:[^ ]+]] = alloca %struct.f4, align 4
 103 // CHECK: %[[TMP:[^ ]+]] = load [2 x i64], ptr @global_f4, align 4
 104 // CHECK-LE: call { i64, i64 } @func_f4([2 x i64] %[[TMP]])
 105 // CHECK-BE: call void @func_f4(ptr dead_on_unwind writable sret(%struct.f4) align 4 %[[TMP0]], [2 x i64] %[[TMP]])
 106 struct f4 global_f4;
 107 void call_f4(void) { global_f4 = func_f4(global_f4); }
 108
 109 // CHECK-LABEL: @call_f5
 110 // CHECK: %[[TMP0:[^ ]+]] = alloca %struct.f5, align 4
 111 // CHECK: %[[TMP1:[^ ]+]] = alloca [3 x i64]
 112 // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %[[TMP1]], ptr align 4 @global_f5, i64 20, i1 false)
 113 // CHECK: %[[TMP3:[^ ]+]] = load [3 x i64], ptr %[[TMP1]]
 114 // CHECK: call void @func_f5(ptr dead_on_unwind writable sret(%struct.f5) align 4 %[[TMP0]], [3 x i64] %[[TMP3]])
 115 struct f5 global_f5;
 116 void call_f5(void) { global_f5 = func_f5(global_f5); }
 117
 118 // CHECK-LABEL: @call_f6
 119 // CHECK: %[[TMP0:[^ ]+]] = alloca %struct.f6, align 4
 120 // CHECK: %[[TMP:[^ ]+]] = load [3 x i64], ptr @global_f6, align 4
 121 // CHECK: call void @func_f6(ptr dead_on_unwind writable sret(%struct.f6) align 4 %[[TMP0]], [3 x i64] %[[TMP]])
 122 struct f6 global_f6;
 123 void call_f6(void) { global_f6 = func_f6(global_f6); }
 124
 125 // CHECK-LABEL: @call_f7
 126 // CHECK: %[[TMP0:[^ ]+]] = alloca %struct.f7, align 4
 127 // CHECK: %[[TMP1:[^ ]+]] = alloca [4 x i64], align 8
 128 // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %[[TMP1]], ptr align 4 @global_f7, i64 28, i1 false)
 129 // CHECK: %[[TMP3:[^ ]+]] = load [4 x i64], ptr %[[TMP1]], align 8
 130 // CHECK: call void @func_f7(ptr dead_on_unwind writable sret(%struct.f7) align 4 %[[TMP0]], [4 x i64] %[[TMP3]])
 131 struct f7 global_f7;
 132 void call_f7(void) { global_f7 = func_f7(global_f7); }
 133
 134 // CHECK-LABEL: @call_f8
 135 // CHECK: %[[TMP0:[^ ]+]] = alloca %struct.f8, align 4
 136 // CHECK: %[[TMP:[^ ]+]] = load [4 x i64], ptr @global_f8, align 4
 137 // CHECK: call void @func_f8(ptr dead_on_unwind writable sret(%struct.f8) align 4 %[[TMP0]], [4 x i64] %[[TMP]])
 138 struct f8 global_f8;
 139 void call_f8(void) { global_f8 = func_f8(global_f8); }
 140
 141 // CHECK-LABEL: @call_f9
 142 // CHECK: %[[TMP1:[^ ]+]] = alloca [5 x i64]
 143 // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %[[TMP1]], ptr align 4 @global_f9, i64 36, i1 false)
 144 // CHECK: %[[TMP3:[^ ]+]] = load [5 x i64], ptr %[[TMP1]]
 145 // CHECK: call void @func_f9(ptr dead_on_unwind writable sret(%struct.f9) align 4 %{{[^ ]+}}, [5 x i64] %[[TMP3]])
 146 struct f9 global_f9;
 147 void call_f9(void) { global_f9 = func_f9(global_f9); }
 148
 149 // CHECK-LABEL: @call_fab
 150 // CHECK: %[[TMP0:[^ ]+]] = alloca %struct.fab, align 4
 151 // CHECK: %[[TMP:[^ ]+]] = load i64, ptr @global_fab, align 4
 152 // CHECK-LE: %call = call i64 @func_fab(i64 %[[TMP]])
 153 // CHECK-BE: call void @func_fab(ptr dead_on_unwind writable sret(%struct.fab) align 4 %[[TMP0]], i64 %[[TMP]])
 154 struct fab global_fab;
 155 void call_fab(void) { global_fab = func_fab(global_fab); }
 156
 157 // CHECK-LABEL: @call_fabc
 158 // CHECK-BE: %[[TMPX:[^ ]+]] = alloca %struct.fabc, align 4
 159 // CHECK: %[[TMP0:[^ ]+]] = alloca [2 x i64], align 8
 160 // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %[[TMP0]], ptr align 4 @global_fabc, i64 12, i1 false)
 161 // CHECK: %[[TMP3:[^ ]+]] = load [2 x i64], ptr %[[TMP0]], align 8
 162 // CHECK-LE: %call = call { i64, i64 } @func_fabc([2 x i64] %[[TMP3]])
 163 // CHECK-BE: call void @func_fabc(ptr dead_on_unwind writable sret(%struct.fabc) align 4 %[[TMPX]], [2 x i64] %[[TMP3]])
 164 struct fabc global_fabc;
 165 void call_fabc(void) { global_fabc = func_fabc(global_fabc); }
 166