Properly handle divides. As a bonus - implement memory versions of them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76003 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 68 insertions, 4 deletions

diff --git a/test/CodeGen/SystemZ/08-DivRem.ll b/test/CodeGen/SystemZ/08-DivRem.ll
index ea9214f..45cbfea 100644
--- a/test/CodeGen/SystemZ/08-DivRem.ll
+++ b/test/CodeGen/SystemZ/08-DivRem.ll
@@ -1,7 +1,7 @@
-; RUN: llvm-as < %s | llc | grep dsgr | count 2
-; RUN: llvm-as < %s | llc | grep dr   | count 2
-; RUN: llvm-as < %s | llc | grep dlr  | count 2
-; RUN: llvm-as < %s | llc | grep dlgr | count 2
+; RUN: llvm-as < %s | llc | grep dsgr  | count 2
+; RUN: llvm-as < %s | llc | grep dr    | count 2
+; RUN: llvm-as < %s | llc | grep dlr   | count 2
+; RUN: llvm-as < %s | llc | grep dlgr  | 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"
diff --git a/test/CodeGen/SystemZ/08-DivRemMemOp.ll b/test/CodeGen/SystemZ/08-DivRemMemOp.ll
new file mode 100644
index 0000000..41eef36
--- /dev/null
+++ b/test/CodeGen/SystemZ/08-DivRemMemOp.ll
@@ -0,0 +1,64 @@
+; RUN: llvm-as < %s | llc | grep {d.%}  | count 2
+; RUN: llvm-as < %s | llc | grep dsg    | count 2
+; RUN: llvm-as < %s | llc | grep {dl.%} | count 2
+; RUN: llvm-as < %s | llc | grep dlg    | 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"
+
+define i64 @div(i64 %a, i64* %b) nounwind readnone {
+entry:
+	%b1 = load i64* %b
+	%div = sdiv i64 %a, %b1
+	ret i64 %div
+}
+
+define i64 @div1(i64 %a, i64* %b) nounwind readnone {
+entry:
+        %b1 = load i64* %b
+        %div = udiv i64 %a, %b1
+        ret i64 %div
+}
+
+define i64 @rem(i64 %a, i64* %b) nounwind readnone {
+entry:
+        %b1 = load i64* %b
+        %div = srem i64 %a, %b1
+        ret i64 %div
+}
+
+define i64 @rem1(i64 %a, i64* %b) nounwind readnone {
+entry:
+        %b1 = load i64* %b
+        %div = urem i64 %a, %b1
+        ret i64 %div
+}
+
+define i32 @div2(i32 %a, i32* %b) nounwind readnone {
+entry:
+        %b1 = load i32* %b
+        %div = sdiv i32 %a, %b1
+        ret i32 %div
+}
+
+define i32 @div3(i32 %a, i32* %b) nounwind readnone {
+entry:
+        %b1 = load i32* %b
+        %div = udiv i32 %a, %b1
+        ret i32 %div
+}
+
+define i32 @rem2(i32 %a, i32* %b) nounwind readnone {
+entry:
+        %b1 = load i32* %b
+        %div = srem i32 %a, %b1
+        ret i32 %div
+}
+
+define i32 @rem3(i32 %a, i32* %b) nounwind readnone {
+entry:
+        %b1 = load i32* %b
+        %div = urem i32 %a, %b1
+        ret i32 %div
+}
+