1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/atomic-load-store.ll b/test/CodeGen/ARM/atomic-load-store.ll
index 49342d2..af13dfc 100644
--- a/test/CodeGen/ARM/atomic-load-store.ll
+++ b/test/CodeGen/ARM/atomic-load-store.ll
@@ -3,6 +3,8 @@
 ; RUN: llc < %s -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s -check-prefix=THUMBTWO
 ; RUN: llc < %s -mtriple=thumbv6-apple-ios | FileCheck %s -check-prefix=THUMBONE
 ; RUN: llc < %s -mtriple=armv4-apple-ios | FileCheck %s -check-prefix=ARMV4
+; RUN: llc < %s -mtriple=armv6-apple-ios | FileCheck %s -check-prefix=ARMV6
+; RUN: llc < %s -mtriple=thumbv7m-apple-ios | FileCheck %s -check-prefix=THUMBM
 
 define void @test1(i32* %ptr, i32 %val1) {
 ; ARM-LABEL: test1
@@ -15,6 +17,14 @@ define void @test1(i32* %ptr, i32 %val1) {
 ; THUMBTWO: dmb {{ish$}}
 ; THUMBTWO-NEXT: str
 ; THUMBTWO-NEXT: dmb {{ish$}}
+; ARMV6-LABEL: test1
+; ARMV6: mcr p15, #0, {{r[0-9]*}}, c7, c10, #5
+; ARMV6: str
+; ARMV6: mcr p15, #0, {{r[0-9]*}}, c7, c10, #5
+; THUMBM-LABEL: test1
+; THUMBM: dmb sy
+; THUMBM: str
+; THUMBM: dmb sy
   store atomic i32 %val1, i32* %ptr seq_cst, align 4
   ret void
 }
@@ -28,6 +38,12 @@ define i32 @test2(i32* %ptr) {
 ; THUMBTWO-LABEL: test2
 ; THUMBTWO: ldr
 ; THUMBTWO-NEXT: dmb {{ish$}}
+; ARMV6-LABEL: test2
+; ARMV6: ldr
+; ARMV6: mcr p15, #0, {{r[0-9]*}}, c7, c10, #5
+; THUMBM-LABEL: test2
+; THUMBM: ldr
+; THUMBM: dmb sy
   %val = load atomic i32* %ptr seq_cst, align 4
   ret i32 %val
 }
@@ -55,6 +71,11 @@ define void @test3(i8* %ptr1, i8* %ptr2) {
 ; THUMBONE-NOT: dmb
 ; THUMBONE: strb
 ; THUMBONE-NOT: dmb
+
+; ARMV6-LABEL: test3
+; ARMV6-NOT: mcr
+; THUMBM-LABEL: test3
+; THUMBM-NOT: dmb sy
   %val = load atomic i8* %ptr1 unordered, align 1
   store atomic i8 %val, i8* %ptr2 unordered, align 1
   ret void
@@ -64,6 +85,8 @@ define void @test4(i8* %ptr1, i8* %ptr2) {
 ; THUMBONE-LABEL: test4
 ; THUMBONE: ___sync_val_compare_and_swap_1
 ; THUMBONE: ___sync_lock_test_and_set_1
+; ARMV6-LABEL: test4
+; THUMBM-LABEL: test4
   %val = load atomic i8* %ptr1 seq_cst, align 1
   store atomic i8 %val, i8* %ptr2 seq_cst, align 1
   ret void