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1; RUN: llc --mtriple=mips64 -mcpu=mips64r2 < %s | FileCheck %s2 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 170 71declare void @varArgF_SmallStruct(ptr %c, ...) 72 73define void @smallStruct_1b1s(ptr %ss) #0 {74entry:75 %ss.addr = alloca ptr, align 876 store ptr %ss, ptr %ss.addr, align 877 %0 = load ptr, ptr %ss.addr, align 878 %1 = load i32, ptr %0, align 179 call void (ptr, ...) @varArgF_SmallStruct(ptr @.str, i32 inreg %1)80 ret void81 ; CHECK-LABEL: smallStruct_1b1s:82 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 3283}84 85define void @smallStruct_1b1i(ptr %ss) #0 {86entry:87 %ss.addr = alloca ptr, align 888 store ptr %ss, ptr %ss.addr, align 889 %0 = load ptr, ptr %ss.addr, align 890 %1 = load i64, ptr %0, align 191 call void (ptr, ...) @varArgF_SmallStruct(ptr @.str, i64 inreg %1)92 ret void93 ; CHECK-LABEL: smallStruct_1b1i:94 ; CHECK-NOT: dsll95 ; CHECK: lui96}97 98define void @smallStruct_1b1s1b(ptr %ss) #0 {99entry:100 %ss.addr = alloca ptr, align 8101 %.coerce = alloca { i48 }102 store ptr %ss, ptr %ss.addr, align 8103 %0 = load ptr, ptr %ss.addr, align 8104 call void @llvm.memcpy.p0.p0.i64(ptr %.coerce, ptr %0, i64 6, i1 false)105 %1 = load i48, ptr %.coerce, align 1106 call void (ptr, ...) @varArgF_SmallStruct(ptr @.str, i48 inreg %1)107 ret void108 ; CHECK-LABEL: smallStruct_1b1s1b:109 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16110}111 112declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1) #1113 114define void @smallStruct_1s1i(ptr %ss) #0 {115entry:116 %ss.addr = alloca ptr, align 8117 store ptr %ss, ptr %ss.addr, align 8118 %0 = load ptr, ptr %ss.addr, align 8119 %1 = load i64, ptr %0, align 1120 call void (ptr, ...) @varArgF_SmallStruct(ptr @.str, i64 inreg %1)121 ret void122 ; CHECK-LABEL: smallStruct_1s1i:123 ; CHECK-NOT: dsll124 ; CHECK: lui125}126 127define void @smallStruct_3b1s(ptr %ss) #0 {128entry:129 %ss.addr = alloca ptr, align 8130 %.coerce = alloca { i48 }131 store ptr %ss, ptr %ss.addr, align 8132 %0 = load ptr, ptr %ss.addr, align 8133 call void @llvm.memcpy.p0.p0.i64(ptr %.coerce, ptr %0, i64 6, i1 false)134 %1 = load i48, ptr %.coerce, align 1135 call void (ptr, ...) @varArgF_SmallStruct(ptr @.str, i48 inreg %1)136 ret void137 ; CHECK-LABEL: smallStruct_3b1s:138 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16139}140