vendor/llvm/llvm-r74383

1 files changed, 28 insertions, 0 deletions

diff --git a/test/CodeGen/Thumb/ldr_ext.ll b/test/CodeGen/Thumb/ldr_ext.ll
new file mode 100644
index 000000000000..4b2a7b201b55
--- /dev/null
+++ b/test/CodeGen/Thumb/ldr_ext.ll
@@ -0,0 +1,28 @@
+; RUN: llvm-as < %s | llc -march=thumb | grep ldrb | count 1
+; RUN: llvm-as < %s | llc -march=thumb | grep ldrh | count 1
+; RUN: llvm-as < %s | llc -march=thumb | grep ldrsb | count 1
+; RUN: llvm-as < %s | llc -march=thumb | grep ldrsh | count 1
+
+define i32 @test1(i8* %v.pntr.s0.u1) {
+    %tmp.u = load i8* %v.pntr.s0.u1
+    %tmp1.s = zext i8 %tmp.u to i32
+    ret i32 %tmp1.s
+}
+
+define i32 @test2(i16* %v.pntr.s0.u1) {
+    %tmp.u = load i16* %v.pntr.s0.u1
+    %tmp1.s = zext i16 %tmp.u to i32
+    ret i32 %tmp1.s
+}
+
+define i32 @test3(i8* %v.pntr.s1.u0) {
+    %tmp.s = load i8* %v.pntr.s1.u0
+    %tmp1.s = sext i8 %tmp.s to i32
+    ret i32 %tmp1.s
+}
+
+define i32 @test4() {
+    %tmp.s = load i16* null
+    %tmp1.s = sext i16 %tmp.s to i32
+    ret i32 %tmp1.s
+}