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authorEvan Cheng <evan.cheng@apple.com>2009-07-02 07:28:31 +0000
committerEvan Cheng <evan.cheng@apple.com>2009-07-02 07:28:31 +0000
commite88d5cee9d6b02bc786df806395a718464908064 (patch)
tree8f0313cf282f08dbe1959775cac38b351d5c56f3 /test/CodeGen/Thumb2/thumb2-ldr_pre.ll
parentd0265aa00e15e925bcda032f18060f93c01c39ef (diff)
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external_llvm-e88d5cee9d6b02bc786df806395a718464908064.tar.gz
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Thumb2 pre/post indexed loads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74696 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Thumb2/thumb2-ldr_pre.ll')
-rw-r--r--test/CodeGen/Thumb2/thumb2-ldr_pre.ll19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-ldr_pre.ll b/test/CodeGen/Thumb2/thumb2-ldr_pre.ll
new file mode 100644
index 0000000..7738fd7
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-ldr_pre.ll
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | \
+; RUN: grep {ldr.*\\!} | count 2
+
+define i32* @test1(i32* %X, i32* %dest) {
+ %Y = getelementptr i32* %X, i32 4 ; <i32*> [#uses=2]
+ %A = load i32* %Y ; <i32> [#uses=1]
+ store i32 %A, i32* %dest
+ ret i32* %Y
+}
+
+define i32 @test2(i32 %a, i32 %b) {
+ %tmp1 = sub i32 %a, 64 ; <i32> [#uses=2]
+ %tmp2 = inttoptr i32 %tmp1 to i32* ; <i32*> [#uses=1]
+ %tmp3 = load i32* %tmp2 ; <i32> [#uses=1]
+ %tmp4 = sub i32 %tmp1, %b ; <i32> [#uses=1]
+ %tmp5 = add i32 %tmp4, %tmp3 ; <i32> [#uses=1]
+ ret i32 %tmp5
+}
+