1 ; RUN: llc --march=mips64 -mcpu=mips64r2 < %s | FileCheck %s 2 3 ; Generated from the C program: 4 ; 5 ; #include <stdio.h> 6 ; #include <string.h> 7 ; 8 ; struct SmallStruct_1b1s { 9 ; char x1; 10 ; short x2; 11 ; }; 12 ; 13 ; struct SmallStruct_1b1i { 14 ; char x1; 15 ; int x2; 16 ; }; 17 ; 18 ; struct SmallStruct_1b1s1b { 19 ; char x1; 20 ; short x2; 21 ; char x3; 22 ; }; 23 ; 24 ; struct SmallStruct_1s1i { 25 ; short x1; 26 ; int x2; 27 ; }; 28 ; 29 ; struct SmallStruct_3b1s { 30 ; char x1; 31 ; char x2; 32 ; char x3; 33 ; short x4; 34 ; }; 35 ; 36 ; void varArgF_SmallStruct(char* c, ...); 37 ; 38 ; void smallStruct_1b1s(struct SmallStruct_1b1s* ss) 39 ; { 40 ; varArgF_SmallStruct("", *ss); 41 ; } 42 ; 43 ; void smallStruct_1b1i(struct SmallStruct_1b1i* ss) 44 ; { 45 ; varArgF_SmallStruct("", *ss); 46 ; } 47 ; 48 ; void smallStruct_1b1s1b(struct SmallStruct_1b1s1b* ss) 49 ; { 50 ; varArgF_SmallStruct("", *ss); 51 ; } 52 ; 53 ; void smallStruct_1s1i(struct SmallStruct_1s1i* ss) 54 ; { 55 ; varArgF_SmallStruct("", *ss); 56 ; } 57 ; 58 ; void smallStruct_3b1s(struct SmallStruct_3b1s* ss) 59 ; { 60 ; varArgF_SmallStruct("", *ss); 61 ; } 62 63 %struct.SmallStruct_1b1s = type { i8, i16 } 64 %struct.SmallStruct_1b1i = type { i8, i32 } 65 %struct.SmallStruct_1b1s1b = type { i8, i16, i8 } 66 %struct.SmallStruct_1s1i = type { i16, i32 } 67 %struct.SmallStruct_3b1s = type { i8, i8, i8, i16 } 68 69 @.str = private unnamed_addr constant [3 x i8] c"01\00", align 1 70 71 declare void @varArgF_SmallStruct(i8* %c, ...) 72 73 define void @smallStruct_1b1s(%struct.SmallStruct_1b1s* %ss) #0 { 74 entry: 75 %ss.addr = alloca %struct.SmallStruct_1b1s*, align 8 76 store %struct.SmallStruct_1b1s* %ss, %struct.SmallStruct_1b1s** %ss.addr, align 8 77 %0 = load %struct.SmallStruct_1b1s*, %struct.SmallStruct_1b1s** %ss.addr, align 8 78 %1 = bitcast %struct.SmallStruct_1b1s* %0 to { i32 }* 79 %2 = getelementptr { i32 }, { i32 }* %1, i32 0, i32 0 80 %3 = load i32, i32* %2, align 1 81 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i32 inreg %3) 82 ret void 83 ; CHECK-LABEL: smallStruct_1b1s: 84 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 32 85 } 86 87 define void @smallStruct_1b1i(%struct.SmallStruct_1b1i* %ss) #0 { 88 entry: 89 %ss.addr = alloca %struct.SmallStruct_1b1i*, align 8 90 store %struct.SmallStruct_1b1i* %ss, %struct.SmallStruct_1b1i** %ss.addr, align 8 91 %0 = load %struct.SmallStruct_1b1i*, %struct.SmallStruct_1b1i** %ss.addr, align 8 92 %1 = bitcast %struct.SmallStruct_1b1i* %0 to { i64 }* 93 %2 = getelementptr { i64 }, { i64 }* %1, i32 0, i32 0 94 %3 = load i64, i64* %2, align 1 95 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i64 inreg %3) 96 ret void 97 ; CHECK-LABEL: smallStruct_1b1i: 98 ; CHECK-NOT: dsll 99 } 100 101 define void @smallStruct_1b1s1b(%struct.SmallStruct_1b1s1b* %ss) #0 { 102 entry: 103 %ss.addr = alloca %struct.SmallStruct_1b1s1b*, align 8 104 %.coerce = alloca { i48 } 105 store %struct.SmallStruct_1b1s1b* %ss, %struct.SmallStruct_1b1s1b** %ss.addr, align 8 106 %0 = load %struct.SmallStruct_1b1s1b*, %struct.SmallStruct_1b1s1b** %ss.addr, align 8 107 %1 = bitcast { i48 }* %.coerce to i8* 108 %2 = bitcast %struct.SmallStruct_1b1s1b* %0 to i8* 109 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 6, i32 0, i1 false) 110 %3 = getelementptr { i48 }, { i48 }* %.coerce, i32 0, i32 0 111 %4 = load i48, i48* %3, align 1 112 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i48 inreg %4) 113 ret void 114 ; CHECK-LABEL: smallStruct_1b1s1b: 115 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16 116 } 117 118 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #1 119 120 define void @smallStruct_1s1i(%struct.SmallStruct_1s1i* %ss) #0 { 121 entry: 122 %ss.addr = alloca %struct.SmallStruct_1s1i*, align 8 123 store %struct.SmallStruct_1s1i* %ss, %struct.SmallStruct_1s1i** %ss.addr, align 8 124 %0 = load %struct.SmallStruct_1s1i*, %struct.SmallStruct_1s1i** %ss.addr, align 8 125 %1 = bitcast %struct.SmallStruct_1s1i* %0 to { i64 }* 126 %2 = getelementptr { i64 }, { i64 }* %1, i32 0, i32 0 127 %3 = load i64, i64* %2, align 1 128 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i64 inreg %3) 129 ret void 130 ; CHECK-LABEL: smallStruct_1s1i: 131 ; CHECK-NOT: dsll 132 } 133 134 define void @smallStruct_3b1s(%struct.SmallStruct_3b1s* %ss) #0 { 135 entry: 136 %ss.addr = alloca %struct.SmallStruct_3b1s*, align 8 137 %.coerce = alloca { i48 } 138 store %struct.SmallStruct_3b1s* %ss, %struct.SmallStruct_3b1s** %ss.addr, align 8 139 %0 = load %struct.SmallStruct_3b1s*, %struct.SmallStruct_3b1s** %ss.addr, align 8 140 %1 = bitcast { i48 }* %.coerce to i8* 141 %2 = bitcast %struct.SmallStruct_3b1s* %0 to i8* 142 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 6, i32 0, i1 false) 143 %3 = getelementptr { i48 }, { i48 }* %.coerce, i32 0, i32 0 144 %4 = load i48, i48* %3, align 1 145 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i48 inreg %4) 146 ret void 147 ; CHECK-LABEL: smallStruct_3b1s: 148 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16 149 } 150
