3 files changed, 110 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Mips/llvm-ir/atomicrmx.ll b/llvm/test/CodeGen/Mips/llvm-ir/atomicrmx.ll
new file mode 100644
index 00000000000..9069a6f2d13
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/llvm-ir/atomicrmx.ll
@@ -0,0 +1,26 @@
+; RUN: llc -asm-show-inst  -march=mipsel -mcpu=mips32r6 < %s | \
+; RUN:    FileCheck %s -check-prefix=CHK32
+; RUN: llc -asm-show-inst  -march=mips64el -mcpu=mips64r6 < %s | \
+; RUN:    FileCheck %s -check-prefix=CHK64
+
+@a = common global i32 0, align 4
+@b = common global i64 0, align 8
+
+
+define i32 @ll_sc(i32 signext %x) {
+; CHK32-LABEL: ll_sc
+
+;CHK32:  LL_R6
+;CHK32:  SC_R6
+  %1 = atomicrmw add i32* @a, i32 %x monotonic
+  ret i32 %1
+}
+
+define i64 @lld_scd(i64 signext %x) {
+; CHK64-LABEL: lld_scd
+
+;CHK64:  LLD_R6
+;CHK64:  SCD_R6
+  %1 = atomicrmw add i64* @b, i64 %x monotonic
+  ret i64 %1
+}
diff --git a/llvm/test/CodeGen/Mips/llvm-ir/load-atomic.ll b/llvm/test/CodeGen/Mips/llvm-ir/load-atomic.ll
new file mode 100644
index 00000000000..a44b00bff58
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/llvm-ir/load-atomic.ll
@@ -0,0 +1,42 @@
+; RUN: llc -march=mips -mcpu=mips32r2 < %s | FileCheck %s -check-prefix=ALL
+; RUN: llc -march=mips -mcpu=mips32r6 < %s | FileCheck %s -check-prefix=ALL
+; RUN: llc -march=mips64 -mcpu=mips64r2 < %s | \
+; RUN:    FileCheck %s -check-prefix=ALL -check-prefix=M64
+; RUN: llc -march=mips64 -mcpu=mips64r6 < %s | \
+; RUN:    FileCheck %s -check-prefix=ALL -check-prefix=M64
+
+define i8 @load_i8(i8* %ptr) {
+; ALL-LABEL: load_i8
+
+; ALL: lb $2, 0($4)
+; ALL: sync
+  %val = load atomic i8, i8* %ptr acquire, align 1
+  ret i8 %val
+}
+
+define i16 @load_i16(i16* %ptr) {
+; ALL-LABEL: load_i16
+
+; ALL: lh $2, 0($4)
+; ALL: sync
+  %val = load atomic i16, i16* %ptr acquire, align 2
+  ret i16 %val
+}
+
+define i32 @load_i32(i32* %ptr) {
+; ALL-LABEL: load_i32
+
+; ALL: lw $2, 0($4)
+; ALL: sync
+  %val = load atomic i32, i32* %ptr acquire, align 4
+  ret i32 %val
+}
+
+define i64 @load_i64(i64* %ptr) {
+; M64-LABEL: load_i64
+
+; M64: ld $2, 0($4)
+; M64: sync
+  %val = load atomic i64, i64* %ptr acquire, align 8
+  ret i64 %val
+}
diff --git a/llvm/test/CodeGen/Mips/llvm-ir/store-atomic.ll b/llvm/test/CodeGen/Mips/llvm-ir/store-atomic.ll
new file mode 100644
index 00000000000..6b33f2685d1
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/llvm-ir/store-atomic.ll
@@ -0,0 +1,42 @@
+; RUN: llc -march=mips -mcpu=mips32r2 < %s | FileCheck %s -check-prefix=ALL
+; RUN: llc -march=mips -mcpu=mips32r6 < %s | FileCheck %s -check-prefix=ALL
+; RUN: llc -march=mips64 -mcpu=mips64r2 < %s | \
+; RUN:    FileCheck %s -check-prefix=ALL -check-prefix=M64
+; RUN: llc -march=mips64 -mcpu=mips64r6 < %s | \
+; RUN:    FileCheck %s -check-prefix=ALL -check-prefix=M64
+
+define void @store_i8(i8* %ptr, i8 signext %v) {
+; ALL-LABEL: store_i8
+
+; ALL: sync
+; ALL: sb $5, 0($4)
+  store atomic i8 %v, i8* %ptr release, align 1
+  ret void
+}
+
+define void @store_i16(i16* %ptr, i16 signext %v) {
+; ALL-LABEL: store_i16
+
+; ALL: sync
+; ALL: sh $5, 0($4)
+  store atomic i16 %v, i16* %ptr release, align 2
+  ret void
+}
+
+define void @store_i32(i32* %ptr, i32 signext %v) {
+; ALL-LABEL: store_i32
+
+; ALL: sync
+; ALL: sw $5, 0($4)
+  store atomic i32 %v, i32* %ptr release, align 4
+  ret void
+}
+
+define void @store_i64(i64* %ptr, i64 %v) {
+; M64-LABEL: store_i64
+
+; M64: sync
+; M64: sd $5, 0($4)
+  store atomic i64 %v, i64* %ptr release, align 8
+  ret void
+}