summaryrefslogtreecommitdiff
path: root/test/CodeGen/Thumb/thumb-ldm.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/Thumb/thumb-ldm.ll')
-rw-r--r--test/CodeGen/Thumb/thumb-ldm.ll42
1 files changed, 42 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb/thumb-ldm.ll b/test/CodeGen/Thumb/thumb-ldm.ll
new file mode 100644
index 0000000000..dd98e6f300
--- /dev/null
+++ b/test/CodeGen/Thumb/thumb-ldm.ll
@@ -0,0 +1,42 @@
+; RUN: llc < %s -mtriple=thumbv6m-eabi -o - | FileCheck %s
+
+@X = external global [0 x i32] ; <[0 x i32]*> [#uses=5]
+
+define i32 @t1() {
+; CHECK-LABEL: t1:
+; CHECK: push {r7, lr}
+; CHECK: ldm
+; CHECK: pop {r7, pc}
+ %tmp = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 0) ; <i32> [#uses=1]
+ %tmp3 = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 1) ; <i32> [#uses=1]
+ %tmp4 = call i32 @f1( i32 %tmp, i32 %tmp3 ) ; <i32> [#uses=1]
+ ret i32 %tmp4
+}
+
+define i32 @t2() {
+; CHECK-LABEL: t2:
+; CHECK: push {r7, lr}
+; CHECK: ldm
+; CHECK: pop {r7, pc}
+ %tmp = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 2) ; <i32> [#uses=1]
+ %tmp3 = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 3) ; <i32> [#uses=1]
+ %tmp5 = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 4) ; <i32> [#uses=1]
+ %tmp6 = call i32 @f2( i32 %tmp, i32 %tmp3, i32 %tmp5 ) ; <i32> [#uses=1]
+ ret i32 %tmp6
+}
+
+define i32 @t3() {
+; CHECK-LABEL: t3:
+; CHECK: push {r7, lr}
+; CHECK: ldm
+; CHECK: pop {r7, pc}
+ %tmp = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 1) ; <i32> [#uses=1]
+ %tmp3 = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 2) ; <i32> [#uses=1]
+ %tmp5 = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 3) ; <i32> [#uses=1]
+ %tmp6 = call i32 @f2( i32 %tmp, i32 %tmp3, i32 %tmp5 ) ; <i32> [#uses=1]
+ ret i32 %tmp6
+}
+
+declare i32 @f1(i32, i32)
+
+declare i32 @f2(i32, i32, i32)