A few more load instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74500 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 147 insertions, 0 deletions

diff --git a/test/CodeGen/Thumb2/thumb2-ldr_ext.ll b/test/CodeGen/Thumb2/thumb2-ldr_ext.ll
new file mode 100644
index 0000000..d48ecef
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-ldr_ext.ll
@@ -0,0 +1,28 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep ldrb | count 1
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep ldrh | count 1
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep ldrsb | count 1
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | 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
+}
diff --git a/test/CodeGen/Thumb2/thumb2-ldrb.ll b/test/CodeGen/Thumb2/thumb2-ldrb.ll
new file mode 100644
index 0000000..5bacb8e
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-ldrb.ll
@@ -0,0 +1,60 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {ldrb r0} | count 7
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep mov | grep 1
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | not grep mvn
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep ldrb | grep lsl
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep lsr | not grep ldrb
+
+define i8 @f1(i8* %v) {
+entry:
+        %tmp = load i8* %v
+        ret i8 %tmp
+}
+
+define i8 @f2(i8* %v) {
+entry:
+        %tmp2 = getelementptr i8* %v, i8 1023
+        %tmp = load i8* %tmp2
+        ret i8 %tmp
+}
+
+define i8 @f3(i32 %base) {
+entry:
+        %tmp1 = add i32 %base, 4096
+        %tmp2 = inttoptr i32 %tmp1 to i8*
+        %tmp3 = load i8* %tmp2
+        ret i8 %tmp3
+}
+
+define i8 @f4(i32 %base) {
+entry:
+        %tmp1 = sub i32 %base, 128
+        %tmp2 = inttoptr i32 %tmp1 to i8*
+        %tmp3 = load i8* %tmp2
+        ret i8 %tmp3
+}
+
+define i8 @f5(i32 %base, i32 %offset) {
+entry:
+        %tmp1 = add i32 %base, %offset
+        %tmp2 = inttoptr i32 %tmp1 to i8*
+        %tmp3 = load i8* %tmp2
+        ret i8 %tmp3
+}
+
+define i8 @f6(i32 %base, i32 %offset) {
+entry:
+        %tmp1 = shl i32 %offset, 2
+        %tmp2 = add i32 %base, %tmp1
+        %tmp3 = inttoptr i32 %tmp2 to i8*
+        %tmp4 = load i8* %tmp3
+        ret i8 %tmp4
+}
+
+define i8 @f7(i32 %base, i32 %offset) {
+entry:
+        %tmp1 = lshr i32 %offset, 2
+        %tmp2 = add i32 %base, %tmp1
+        %tmp3 = inttoptr i32 %tmp2 to i8*
+        %tmp4 = load i8* %tmp3
+        ret i8 %tmp4
+}
diff --git a/test/CodeGen/Thumb2/thumb2-ldrh.ll b/test/CodeGen/Thumb2/thumb2-ldrh.ll
new file mode 100644
index 0000000..15f803e
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-ldrh.ll
@@ -0,0 +1,59 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {ldrh r0} | count 7
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep mov | grep 1
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | not grep mvn
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep ldrh | grep lsl
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep lsr | not grep ldrh
+
+define i16 @f1(i16* %v) {
+entry:
+        %tmp = load i16* %v
+        ret i16 %tmp
+}
+
+define i16 @f2(i16* %v) {
+entry:
+        %tmp2 = getelementptr i16* %v, i16 1023
+        %tmp = load i16* %tmp2
+        ret i16 %tmp
+}
+
+define i16 @f3(i16* %v) {
+entry:
+        %tmp2 = getelementptr i16* %v, i16 2048
+        %tmp = load i16* %tmp2
+        ret i16 %tmp
+}
+
+define i16 @f4(i32 %base) {
+entry:
+        %tmp1 = sub i32 %base, 128
+        %tmp2 = inttoptr i32 %tmp1 to i16*
+        %tmp3 = load i16* %tmp2
+        ret i16 %tmp3
+}
+
+define i16 @f5(i32 %base, i32 %offset) {
+entry:
+        %tmp1 = add i32 %base, %offset
+        %tmp2 = inttoptr i32 %tmp1 to i16*
+        %tmp3 = load i16* %tmp2
+        ret i16 %tmp3
+}
+
+define i16 @f6(i32 %base, i32 %offset) {
+entry:
+        %tmp1 = shl i32 %offset, 2
+        %tmp2 = add i32 %base, %tmp1
+        %tmp3 = inttoptr i32 %tmp2 to i16*
+        %tmp4 = load i16* %tmp3
+        ret i16 %tmp4
+}
+
+define i16 @f7(i32 %base, i32 %offset) {
+entry:
+        %tmp1 = lshr i32 %offset, 2
+        %tmp2 = add i32 %base, %tmp1
+        %tmp3 = inttoptr i32 %tmp2 to i16*
+        %tmp4 = load i16* %tmp3
+        ret i16 %tmp4
+}