| ; RUN: llc --march=mips64 -mcpu=mips64r2 < %s | FileCheck %s |
| |
| ; Generated from the C program: |
| ; |
| ; #include <stdio.h> |
| ; #include <string.h> |
| ; |
| ; struct SmallStruct_1b1s { |
| ; char x1; |
| ; short x2; |
| ; }; |
| ; |
| ; struct SmallStruct_1b1i { |
| ; char x1; |
| ; int x2; |
| ; }; |
| ; |
| ; struct SmallStruct_1b1s1b { |
| ; char x1; |
| ; short x2; |
| ; char x3; |
| ; }; |
| ; |
| ; struct SmallStruct_1s1i { |
| ; short x1; |
| ; int x2; |
| ; }; |
| ; |
| ; struct SmallStruct_3b1s { |
| ; char x1; |
| ; char x2; |
| ; char x3; |
| ; short x4; |
| ; }; |
| ; |
| ; void varArgF_SmallStruct(char* c, ...); |
| ; |
| ; void smallStruct_1b1s(struct SmallStruct_1b1s* ss) |
| ; { |
| ; varArgF_SmallStruct("", *ss); |
| ; } |
| ; |
| ; void smallStruct_1b1i(struct SmallStruct_1b1i* ss) |
| ; { |
| ; varArgF_SmallStruct("", *ss); |
| ; } |
| ; |
| ; void smallStruct_1b1s1b(struct SmallStruct_1b1s1b* ss) |
| ; { |
| ; varArgF_SmallStruct("", *ss); |
| ; } |
| ; |
| ; void smallStruct_1s1i(struct SmallStruct_1s1i* ss) |
| ; { |
| ; varArgF_SmallStruct("", *ss); |
| ; } |
| ; |
| ; void smallStruct_3b1s(struct SmallStruct_3b1s* ss) |
| ; { |
| ; varArgF_SmallStruct("", *ss); |
| ; } |
| |
| %struct.SmallStruct_1b1s = type { i8, i16 } |
| %struct.SmallStruct_1b1i = type { i8, i32 } |
| %struct.SmallStruct_1b1s1b = type { i8, i16, i8 } |
| %struct.SmallStruct_1s1i = type { i16, i32 } |
| %struct.SmallStruct_3b1s = type { i8, i8, i8, i16 } |
| |
| @.str = private unnamed_addr constant [3 x i8] c"01\00", align 1 |
| |
| declare void @varArgF_SmallStruct(i8* %c, ...) |
| |
| define void @smallStruct_1b1s(%struct.SmallStruct_1b1s* %ss) #0 { |
| entry: |
| %ss.addr = alloca %struct.SmallStruct_1b1s*, align 8 |
| store %struct.SmallStruct_1b1s* %ss, %struct.SmallStruct_1b1s** %ss.addr, align 8 |
| %0 = load %struct.SmallStruct_1b1s*, %struct.SmallStruct_1b1s** %ss.addr, align 8 |
| %1 = bitcast %struct.SmallStruct_1b1s* %0 to { i32 }* |
| %2 = getelementptr { i32 }, { i32 }* %1, i32 0, i32 0 |
| %3 = load i32, i32* %2, align 1 |
| call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i32 inreg %3) |
| ret void |
| ; CHECK-LABEL: smallStruct_1b1s: |
| ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 32 |
| } |
| |
| define void @smallStruct_1b1i(%struct.SmallStruct_1b1i* %ss) #0 { |
| entry: |
| %ss.addr = alloca %struct.SmallStruct_1b1i*, align 8 |
| store %struct.SmallStruct_1b1i* %ss, %struct.SmallStruct_1b1i** %ss.addr, align 8 |
| %0 = load %struct.SmallStruct_1b1i*, %struct.SmallStruct_1b1i** %ss.addr, align 8 |
| %1 = bitcast %struct.SmallStruct_1b1i* %0 to { i64 }* |
| %2 = getelementptr { i64 }, { i64 }* %1, i32 0, i32 0 |
| %3 = load i64, i64* %2, align 1 |
| call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i64 inreg %3) |
| ret void |
| ; CHECK-LABEL: smallStruct_1b1i: |
| ; CHECK-NOT: dsll |
| ; CHECK: lui |
| } |
| |
| define void @smallStruct_1b1s1b(%struct.SmallStruct_1b1s1b* %ss) #0 { |
| entry: |
| %ss.addr = alloca %struct.SmallStruct_1b1s1b*, align 8 |
| %.coerce = alloca { i48 } |
| store %struct.SmallStruct_1b1s1b* %ss, %struct.SmallStruct_1b1s1b** %ss.addr, align 8 |
| %0 = load %struct.SmallStruct_1b1s1b*, %struct.SmallStruct_1b1s1b** %ss.addr, align 8 |
| %1 = bitcast { i48 }* %.coerce to i8* |
| %2 = bitcast %struct.SmallStruct_1b1s1b* %0 to i8* |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 6, i1 false) |
| %3 = getelementptr { i48 }, { i48 }* %.coerce, i32 0, i32 0 |
| %4 = load i48, i48* %3, align 1 |
| call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i48 inreg %4) |
| ret void |
| ; CHECK-LABEL: smallStruct_1b1s1b: |
| ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16 |
| } |
| |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #1 |
| |
| define void @smallStruct_1s1i(%struct.SmallStruct_1s1i* %ss) #0 { |
| entry: |
| %ss.addr = alloca %struct.SmallStruct_1s1i*, align 8 |
| store %struct.SmallStruct_1s1i* %ss, %struct.SmallStruct_1s1i** %ss.addr, align 8 |
| %0 = load %struct.SmallStruct_1s1i*, %struct.SmallStruct_1s1i** %ss.addr, align 8 |
| %1 = bitcast %struct.SmallStruct_1s1i* %0 to { i64 }* |
| %2 = getelementptr { i64 }, { i64 }* %1, i32 0, i32 0 |
| %3 = load i64, i64* %2, align 1 |
| call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i64 inreg %3) |
| ret void |
| ; CHECK-LABEL: smallStruct_1s1i: |
| ; CHECK-NOT: dsll |
| ; CHECK: lui |
| } |
| |
| define void @smallStruct_3b1s(%struct.SmallStruct_3b1s* %ss) #0 { |
| entry: |
| %ss.addr = alloca %struct.SmallStruct_3b1s*, align 8 |
| %.coerce = alloca { i48 } |
| store %struct.SmallStruct_3b1s* %ss, %struct.SmallStruct_3b1s** %ss.addr, align 8 |
| %0 = load %struct.SmallStruct_3b1s*, %struct.SmallStruct_3b1s** %ss.addr, align 8 |
| %1 = bitcast { i48 }* %.coerce to i8* |
| %2 = bitcast %struct.SmallStruct_3b1s* %0 to i8* |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 6, i1 false) |
| %3 = getelementptr { i48 }, { i48 }* %.coerce, i32 0, i32 0 |
| %4 = load i48, i48* %3, align 1 |
| call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i48 inreg %4) |
| ret void |
| ; CHECK-LABEL: smallStruct_3b1s: |
| ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16 |
| } |