Imported Upstream version 5.18.0.161

Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98

external/llvm/test/CodeGen/SystemZ/branch-10.ll

@@ -0,0 +1,62 @@
+; Test all condition-code masks that are relevant for CLGRJ.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+declare i64 @foo()
+@g1 = global i16 0
+
+define void @f1(i64 %target) {
+; CHECK-LABEL: f1:
+; CHECK: .cfi_def_cfa_offset
+; CHECK: .L[[LABEL:.*]]:
+; CHECK: clgrjle %r2, {{%r[0-9]+}}, .L[[LABEL]]
+  br label %loop
+loop:
+  %val = call i64 @foo()
+  %cond = icmp ule i64 %val, %target
+  br i1 %cond, label %loop, label %exit
+exit:
+  ret void
+}
+
+define void @f2(i64 %target) {
+; CHECK-LABEL: f2:
+; CHECK: .cfi_def_cfa_offset
+; CHECK: .L[[LABEL:.*]]:
+; CHECK: clgrjl %r2, {{%r[0-9]+}}, .L[[LABEL]]
+  br label %loop
+loop:
+  %val = call i64 @foo()
+  %cond = icmp ult i64 %val, %target
+  br i1 %cond, label %loop, label %exit
+exit:
+  ret void
+}
+
+define void @f3(i64 %target) {
+; CHECK-LABEL: f3:
+; CHECK: .cfi_def_cfa_offset
+; CHECK: .L[[LABEL:.*]]:
+; CHECK: clgrjh %r2, {{%r[0-9]+}}, .L[[LABEL]]
+  br label %loop
+loop:
+  %val = call i64 @foo()
+  %cond = icmp ugt i64 %val, %target
+  br i1 %cond, label %loop, label %exit
+exit:
+  ret void
+}
+
+define void @f4(i64 %target) {
+; CHECK-LABEL: f4:
+; CHECK: .cfi_def_cfa_offset
+; CHECK: .L[[LABEL:.*]]:
+; CHECK: clgrjhe %r2, {{%r[0-9]+}}, .L[[LABEL]]
+  br label %loop
+loop:
+  %val = call i64 @foo()
+  %cond = icmp uge i64 %val, %target
+  br i1 %cond, label %loop, label %exit
+exit:
+  ret void
+}