Add support for 12 bit displacements

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75988 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 132 insertions, 3 deletions

diff --git a/test/CodeGen/SystemZ/05-MemLoadsStores.ll b/test/CodeGen/SystemZ/05-MemLoadsStores.ll
new file mode 100644
index 0000000000..6eb2ddb9f5
--- /dev/null
+++ b/test/CodeGen/SystemZ/05-MemLoadsStores.ll
@@ -0,0 +1,44 @@
+; RUN: llvm-as < %s | llc | grep ly     | count 2
+; RUN: llvm-as < %s | llc | grep sty    | count 2
+; RUN: llvm-as < %s | llc | grep {l.%}  | count 2
+; RUN: llvm-as < %s | llc | grep {st.%} | count 2
+
+target datalayout = "E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-a0:16:16"
+target triple = "s390x-linux"
+
+define void @foo1(i32* nocapture %foo, i32* nocapture %bar) nounwind {
+entry:
+	%tmp1 = load i32* %foo		; <i32> [#uses=1]
+	store i32 %tmp1, i32* %bar
+	ret void
+}
+
+define void @foo2(i32* nocapture %foo, i32* nocapture %bar, i64 %idx) nounwind {
+entry:
+	%add.ptr = getelementptr i32* %foo, i64 1		; <i32*> [#uses=1]
+	%tmp1 = load i32* %add.ptr		; <i32> [#uses=1]
+	%add.ptr3.sum = add i64 %idx, 1		; <i64> [#uses=1]
+	%add.ptr5 = getelementptr i32* %bar, i64 %add.ptr3.sum		; <i32*> [#uses=1]
+	store i32 %tmp1, i32* %add.ptr5
+	ret void
+}
+
+define void @foo3(i32* nocapture %foo, i32* nocapture %bar, i64 %idx) nounwind {
+entry:
+	%sub.ptr = getelementptr i32* %foo, i64 -1		; <i32*> [#uses=1]
+	%tmp1 = load i32* %sub.ptr		; <i32> [#uses=1]
+	%sub.ptr3.sum = add i64 %idx, -1		; <i64> [#uses=1]
+	%add.ptr = getelementptr i32* %bar, i64 %sub.ptr3.sum		; <i32*> [#uses=1]
+	store i32 %tmp1, i32* %add.ptr
+	ret void
+}
+
+define void @foo4(i32* nocapture %foo, i32* nocapture %bar, i64 %idx) nounwind {
+entry:
+	%add.ptr = getelementptr i32* %foo, i64 8192		; <i32*> [#uses=1]
+	%tmp1 = load i32* %add.ptr		; <i32> [#uses=1]
+	%add.ptr3.sum = add i64 %idx, 8192		; <i64> [#uses=1]
+	%add.ptr5 = getelementptr i32* %bar, i64 %add.ptr3.sum		; <i32*> [#uses=1]
+	store i32 %tmp1, i32* %add.ptr5
+	ret void
+}
diff --git a/test/CodeGen/SystemZ/05-MemLoadsStores16.ll b/test/CodeGen/SystemZ/05-MemLoadsStores16.ll
new file mode 100644
index 0000000000..7f83b1a4ca
--- /dev/null
+++ b/test/CodeGen/SystemZ/05-MemLoadsStores16.ll
@@ -0,0 +1,85 @@
+; RUN: llvm-as < %s | llc | grep {sthy.%} | count 2
+; RUN: llvm-as < %s | llc | grep {lhy.%}  | count 2
+; RUN: llvm-as < %s | llc | grep {lh.%}   | count 6
+; RUN: llvm-as < %s | llc | grep {sth.%}  | count 2
+
+target datalayout = "E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-a0:16:16"
+target triple = "s390x-linux"
+
+define void @foo1(i16* nocapture %foo, i16* nocapture %bar) nounwind {
+entry:
+	%tmp1 = load i16* %foo		; <i16> [#uses=1]
+	store i16 %tmp1, i16* %bar
+	ret void
+}
+
+define void @foo2(i16* nocapture %foo, i16* nocapture %bar, i64 %idx) nounwind {
+entry:
+	%add.ptr = getelementptr i16* %foo, i64 1		; <i16*> [#uses=1]
+	%tmp1 = load i16* %add.ptr		; <i16> [#uses=1]
+	%add.ptr3.sum = add i64 %idx, 1		; <i64> [#uses=1]
+	%add.ptr5 = getelementptr i16* %bar, i64 %add.ptr3.sum		; <i16*> [#uses=1]
+	store i16 %tmp1, i16* %add.ptr5
+	ret void
+}
+
+define void @foo3(i16* nocapture %foo, i16* nocapture %bar, i64 %idx) nounwind {
+entry:
+	%sub.ptr = getelementptr i16* %foo, i64 -1		; <i16*> [#uses=1]
+	%tmp1 = load i16* %sub.ptr		; <i16> [#uses=1]
+	%sub.ptr3.sum = add i64 %idx, -1		; <i64> [#uses=1]
+	%add.ptr = getelementptr i16* %bar, i64 %sub.ptr3.sum		; <i16*> [#uses=1]
+	store i16 %tmp1, i16* %add.ptr
+	ret void
+}
+
+define void @foo4(i16* nocapture %foo, i16* nocapture %bar, i64 %idx) nounwind {
+entry:
+	%add.ptr = getelementptr i16* %foo, i64 8192		; <i16*> [#uses=1]
+	%tmp1 = load i16* %add.ptr		; <i16> [#uses=1]
+	%add.ptr3.sum = add i64 %idx, 8192		; <i64> [#uses=1]
+	%add.ptr5 = getelementptr i16* %bar, i64 %add.ptr3.sum		; <i16*> [#uses=1]
+	store i16 %tmp1, i16* %add.ptr5
+	ret void
+}
+
+define void @foo5(i16* nocapture %foo, i32* nocapture %bar) nounwind {
+entry:
+	%tmp1 = load i16* %foo		; <i16> [#uses=1]
+	%conv = sext i16 %tmp1 to i32		; <i32> [#uses=1]
+	store i32 %conv, i32* %bar
+	ret void
+}
+
+define void @foo6(i16* nocapture %foo, i32* nocapture %bar, i64 %idx) nounwind {
+entry:
+	%add.ptr = getelementptr i16* %foo, i64 1		; <i16*> [#uses=1]
+	%tmp1 = load i16* %add.ptr		; <i16> [#uses=1]
+	%conv = sext i16 %tmp1 to i32		; <i32> [#uses=1]
+	%add.ptr3.sum = add i64 %idx, 1		; <i64> [#uses=1]
+	%add.ptr5 = getelementptr i32* %bar, i64 %add.ptr3.sum		; <i32*> [#uses=1]
+	store i32 %conv, i32* %add.ptr5
+	ret void
+}
+
+define void @foo7(i16* nocapture %foo, i32* nocapture %bar, i64 %idx) nounwind {
+entry:
+	%sub.ptr = getelementptr i16* %foo, i64 -1		; <i16*> [#uses=1]
+	%tmp1 = load i16* %sub.ptr		; <i16> [#uses=1]
+	%conv = sext i16 %tmp1 to i32		; <i32> [#uses=1]
+	%sub.ptr3.sum = add i64 %idx, -1		; <i64> [#uses=1]
+	%add.ptr = getelementptr i32* %bar, i64 %sub.ptr3.sum		; <i32*> [#uses=1]
+	store i32 %conv, i32* %add.ptr
+	ret void
+}
+
+define void @foo8(i16* nocapture %foo, i32* nocapture %bar, i64 %idx) nounwind {
+entry:
+	%add.ptr = getelementptr i16* %foo, i64 8192		; <i16*> [#uses=1]
+	%tmp1 = load i16* %add.ptr		; <i16> [#uses=1]
+	%conv = sext i16 %tmp1 to i32		; <i32> [#uses=1]
+	%add.ptr3.sum = add i64 %idx, 8192		; <i64> [#uses=1]
+	%add.ptr5 = getelementptr i32* %bar, i64 %add.ptr3.sum		; <i32*> [#uses=1]
+	store i32 %conv, i32* %add.ptr5
+	ret void
+}
diff --git a/test/CodeGen/SystemZ/05-MemRegStores.ll b/test/CodeGen/SystemZ/05-MemRegStores.ll
index 1d86df80ca..4849711127 100644
--- a/test/CodeGen/SystemZ/05-MemRegStores.ll
+++ b/test/CodeGen/SystemZ/05-MemRegStores.ll
@@ -1,8 +1,8 @@
 ; RUN: llvm-as < %s | llc | not grep aghi
 ; RUN: llvm-as < %s | llc | grep stg  | count 1
-; RUN: llvm-as < %s | llc | grep sty  | count 2
-; RUN: llvm-as < %s | llc | grep sthy | count 2
-; RUN: llvm-as < %s | llc | grep stcy | count 2
+; RUN: llvm-as < %s | llc | grep st   | count 8
+; RUN: llvm-as < %s | llc | grep sth  | count 2
+; RUN: llvm-as < %s | llc | grep stc  | count 2
 
 target datalayout = "E-p:64:64:64-i1:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128"
 target triple = "s390x-unknown-linux-gnu"