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-rw-r--r--test/CodeGen/Mips/Fast-ISel/memtest1.ll74
1 files changed, 74 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/Fast-ISel/memtest1.ll b/test/CodeGen/Mips/Fast-ISel/memtest1.ll
new file mode 100644
index 0000000000000..a3fc4a32981c0
--- /dev/null
+++ b/test/CodeGen/Mips/Fast-ISel/memtest1.ll
@@ -0,0 +1,74 @@
+; RUN: llc < %s -march=mipsel -mcpu=mips32 -O0 -relocation-model=pic \
+; RUN: -fast-isel=true -mips-fast-isel -fast-isel-abort=1 | FileCheck %s \
+; RUN: -check-prefix=ALL -check-prefix=32R1
+; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -O0 -relocation-model=pic \
+; RUN: -fast-isel=true -mips-fast-isel -fast-isel-abort=1 | FileCheck %s \
+; RUN: -check-prefix=ALL -check-prefix=32R2
+
+@str = private unnamed_addr constant [12 x i8] c"hello there\00", align 1
+@src = global i8* getelementptr inbounds ([12 x i8], [12 x i8]* @str, i32 0, i32 0), align 4
+@i = global i32 12, align 4
+@dest = common global [50 x i8] zeroinitializer, align 1
+
+declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1)
+declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1)
+declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1)
+
+define void @cpy(i8* %src, i32 %i) {
+ ; ALL-LABEL: cpy:
+
+ ; ALL-DAG: lw $[[T0:[0-9]+]], %got(dest)(${{[0-9]+}})
+ ; ALL-DAG: sw $4, 24($sp)
+ ; ALL-DAG: move $4, $[[T0]]
+ ; ALL-DAG: sw $5, 20($sp)
+ ; ALL-DAG: lw $[[T1:[0-9]+]], 24($sp)
+ ; ALL-DAG: move $5, $[[T1]]
+ ; ALL-DAG: lw $6, 20($sp)
+ ; ALL-DAG: lw $[[T2:[0-9]+]], %got(memcpy)(${{[0-9]+}})
+ ; ALL: jalr $[[T2]]
+ ; ALL-NEXT: nop
+ ; ALL-NOT: {{.*}}$2{{.*}}
+ call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds ([50 x i8], [50 x i8]* @dest, i32 0, i32 0),
+ i8* %src, i32 %i, i32 1, i1 false)
+ ret void
+}
+
+define void @mov(i8* %src, i32 %i) {
+ ; ALL-LABEL: mov:
+
+
+ ; ALL-DAG: lw $[[T0:[0-9]+]], %got(dest)(${{[0-9]+}})
+ ; ALL-DAG: sw $4, 24($sp)
+ ; ALL-DAG: move $4, $[[T0]]
+ ; ALL-DAG: sw $5, 20($sp)
+ ; ALL-DAG: lw $[[T1:[0-9]+]], 24($sp)
+ ; ALL-DAG: move $5, $[[T1]]
+ ; ALL-DAG: lw $6, 20($sp)
+ ; ALL-DAG: lw $[[T2:[0-9]+]], %got(memmove)(${{[0-9]+}})
+ ; ALL: jalr $[[T2]]
+ ; ALL-NEXT: nop
+ ; ALL-NOT: {{.*}}$2{{.*}}
+ call void @llvm.memmove.p0i8.p0i8.i32(i8* getelementptr inbounds ([50 x i8], [50 x i8]* @dest, i32 0, i32 0),
+ i8* %src, i32 %i, i32 1, i1 false)
+ ret void
+}
+
+define void @clear(i32 %i) {
+ ; ALL-LABEL: clear:
+
+ ; ALL-DAG: lw $[[T0:[0-9]+]], %got(dest)(${{[0-9]+}})
+ ; ALL-DAG: sw $4, 16($sp)
+ ; ALL-DAG: move $4, $[[T0]]
+ ; ALL-DAG: addiu $[[T1:[0-9]+]], $zero, 42
+ ; 32R1-DAG: sll $[[T2:[0-9]+]], $[[T1]], 24
+ ; 32R1-DAG: sra $5, $[[T2]], 24
+ ; 32R2-DAG: seb $5, $[[T1]]
+ ; ALL-DAG: lw $6, 16($sp)
+ ; ALL-DAG: lw $[[T2:[0-9]+]], %got(memset)(${{[0-9]+}})
+ ; ALL: jalr $[[T2]]
+ ; ALL-NEXT: nop
+ ; ALL-NOT: {{.*}}$2{{.*}}
+ call void @llvm.memset.p0i8.i32(i8* getelementptr inbounds ([50 x i8], [50 x i8]* @dest, i32 0, i32 0),
+ i8 42, i32 %i, i32 1, i1 false)
+ ret void
+}