1 files changed, 71 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/and-cmpz.ll b/llvm/test/CodeGen/ARM/and-cmpz.ll
new file mode 100644
index 00000000000..809dc6cc6ba
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/and-cmpz.ll
@@ -0,0 +1,71 @@
+; RUN: llc -mtriple=thumbv7m-linux-gnu < %s | FileCheck %s --check-prefix=CHECK --check-prefix=T2
+; RUN: llc -mtriple=thumbv6m-linux-gnu < %s | FileCheck %s --check-prefix=CHECK --check-prefix=T1
+
+; CHECK-LABEL: single_bit:
+; CHECK: lsls r0, r0, #23
+; T2-NEXT: mov
+; T2-NEXT: it
+; T1-NEXT: bmi
+define i32 @single_bit(i32 %p) {
+  %a = and i32 %p, 256
+  %b = icmp eq i32 %a, 0
+  br i1 %b, label %true, label %false
+
+true:
+  ret i32 1
+
+false:
+  ret i32 2
+}
+
+; CHECK-LABEL: multi_bit_lsb_ubfx:
+; CHECK: lsls r0, r0, #24
+; T2-NEXT: mov
+; T2-NEXT: it
+; T1-NEXT: beq
+define i32 @multi_bit_lsb_ubfx(i32 %p) {
+  %a = and i32 %p, 255
+  %b = icmp eq i32 %a, 0
+  br i1 %b, label %true, label %false
+
+true:
+  ret i32 1
+
+false:
+  ret i32 2
+}
+
+; CHECK-LABEL: multi_bit_msb:
+; CHECK: lsrs r0, r0, #24
+; T2-NEXT: mov
+; T2-NEXT: it
+; T1-NEXT: beq
+define i32 @multi_bit_msb(i32 %p) {
+  %a = and i32 %p, 4278190080  ; 0xff000000
+  %b = icmp eq i32 %a, 0
+  br i1 %b, label %true, label %false
+
+true:
+  ret i32 1
+
+false:
+  ret i32 2
+}
+
+; CHECK-LABEL: multi_bit_nosb:
+; T1: lsls r0, r0, #8
+; T1-NEXT: lsrs r0, r0, #24
+; T2: tst.w
+; T2-NEXT: it
+; T1-NEXT: beq
+define i32 @multi_bit_nosb(i32 %p) {
+  %a = and i32 %p, 16711680 ; 0x00ff0000
+  %b = icmp eq i32 %a, 0
+  br i1 %b, label %true, label %false
+
+true:
+  ret i32 1
+
+false:
+  ret i32 2
+}