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75 lines
3.0 KiB
LLVM
75 lines
3.0 KiB
LLVM
; RUN: llc < %s -march=mipsel -mcpu=mips32 -O0 -relocation-model=pic \
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; RUN: -fast-isel-abort=3 -verify-machineinstrs | FileCheck %s \
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; RUN: -check-prefix=ALL -check-prefix=32R1
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; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -O0 -relocation-model=pic \
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; RUN: -fast-isel-abort=3 -verify-machineinstrs | FileCheck %s \
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; RUN: -check-prefix=ALL -check-prefix=32R2
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@str = private unnamed_addr constant [12 x i8] c"hello there\00", align 1
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@src = global i8* getelementptr inbounds ([12 x i8], [12 x i8]* @str, i32 0, i32 0), align 4
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@i = global i32 12, align 4
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@dest = common global [50 x i8] zeroinitializer, align 1
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1)
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declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1)
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declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1)
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define void @cpy(i8* %src, i32 %i) {
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; ALL-LABEL: cpy:
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; ALL-DAG: lw $[[T0:[0-9]+]], %got(dest)(${{[0-9]+}})
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; ALL-DAG: sw $4, 24($sp)
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; ALL-DAG: move $4, $[[T0]]
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; ALL-DAG: sw $5, 20($sp)
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; ALL-DAG: lw $[[T1:[0-9]+]], 24($sp)
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; ALL-DAG: move $5, $[[T1]]
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; ALL-DAG: lw $6, 20($sp)
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; ALL-DAG: lw $[[T2:[0-9]+]], %got(memcpy)(${{[0-9]+}})
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; ALL: jalr $[[T2]]
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; ALL-NEXT: nop
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; ALL-NOT: {{.*}}$2{{.*}}
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds ([50 x i8], [50 x i8]* @dest, i32 0, i32 0),
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i8* %src, i32 %i, i32 1, i1 false)
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ret void
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}
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define void @mov(i8* %src, i32 %i) {
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; ALL-LABEL: mov:
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; ALL-DAG: lw $[[T0:[0-9]+]], %got(dest)(${{[0-9]+}})
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; ALL-DAG: sw $4, 24($sp)
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; ALL-DAG: move $4, $[[T0]]
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; ALL-DAG: sw $5, 20($sp)
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; ALL-DAG: lw $[[T1:[0-9]+]], 24($sp)
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; ALL-DAG: move $5, $[[T1]]
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; ALL-DAG: lw $6, 20($sp)
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; ALL-DAG: lw $[[T2:[0-9]+]], %got(memmove)(${{[0-9]+}})
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; ALL: jalr $[[T2]]
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; ALL-NEXT: nop
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; ALL-NOT: {{.*}}$2{{.*}}
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call void @llvm.memmove.p0i8.p0i8.i32(i8* getelementptr inbounds ([50 x i8], [50 x i8]* @dest, i32 0, i32 0),
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i8* %src, i32 %i, i32 1, i1 false)
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ret void
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}
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define void @clear(i32 %i) {
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; ALL-LABEL: clear:
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; ALL-DAG: lw $[[T0:[0-9]+]], %got(dest)(${{[0-9]+}})
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; ALL-DAG: sw $4, 16($sp)
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; ALL-DAG: move $4, $[[T0]]
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; ALL-DAG: addiu $[[T1:[0-9]+]], $zero, 42
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; 32R1-DAG: sll $[[T2:[0-9]+]], $[[T1]], 24
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; 32R1-DAG: sra $5, $[[T2]], 24
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; 32R2-DAG: seb $5, $[[T1]]
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; ALL-DAG: lw $6, 16($sp)
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; ALL-DAG: lw $[[T2:[0-9]+]], %got(memset)(${{[0-9]+}})
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; ALL: jalr $[[T2]]
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; ALL-NEXT: nop
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; ALL-NOT: {{.*}}$2{{.*}}
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call void @llvm.memset.p0i8.i32(i8* getelementptr inbounds ([50 x i8], [50 x i8]* @dest, i32 0, i32 0),
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i8 42, i32 %i, i32 1, i1 false)
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ret void
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}
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