Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/SystemZ/strcmp-01.ll

@@ -1,70 +0,0 @@
-; Test strcmp using CLST, i32 version.
-;
-; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
-
-declare signext i32 @strcmp(i8 *%src1, i8 *%src2)
-
-; Check a case where the result is used as an integer.
-define i32 @f1(i8 *%src1, i8 *%src2) {
-; CHECK-LABEL: f1:
-; CHECK: lhi %r0, 0
-; CHECK: [[LABEL:\.[^:]*]]:
-; CHECK: clst %r2, %r3
-; CHECK-NEXT: jo [[LABEL]]
-; CHECK-NEXT: %bb.{{[0-9]+}}
-; CHECK-NEXT: ipm [[REG:%r[0-5]]]
-; CHECK: srl [[REG]], 28
-; CHECK: rll %r2, [[REG]], 31
-; CHECK: br %r14
-  %res = call i32 @strcmp(i8 *%src1, i8 *%src2)
-  ret i32 %res
-}
-
-; Check a case where the result is tested for equality.
-define void @f2(i8 *%src1, i8 *%src2, i32 *%dest) {
-; CHECK-LABEL: f2:
-; CHECK: lhi %r0, 0
-; CHECK: [[LABEL:\.[^:]*]]:
-; CHECK: clst %r2, %r3
-; CHECK-NEXT: jo [[LABEL]]
-; CHECK-NEXT: %bb.{{[0-9]+}}
-; CHECK-NEXT: ber %r14
-; CHECK: br %r14
-  %res = call i32 @strcmp(i8 *%src1, i8 *%src2)
-  %cmp = icmp eq i32 %res, 0
-  br i1 %cmp, label %exit, label %store
-
-store:
-  store i32 0, i32 *%dest
-  br label %exit
-
-exit:
-  ret void
-}
-
-; Test a case where the result is used both as an integer and for
-; branching.
-define i32 @f3(i8 *%src1, i8 *%src2, i32 *%dest) {
-; CHECK-LABEL: f3:
-; CHECK: lhi %r0, 0
-; CHECK: [[LABEL:\.[^:]*]]:
-; CHECK: clst %r2, %r3
-; CHECK-NEXT: jo [[LABEL]]
-; CHECK-NEXT: %bb.{{[0-9]+}}
-; CHECK-NEXT: ipm [[REG:%r[0-5]]]
-; CHECK: srl [[REG]], 28
-; CHECK: rll %r2, [[REG]], 31
-; CHECK: blr %r14
-; CHECK: br %r14
-entry:
-  %res = call i32 @strcmp(i8 *%src1, i8 *%src2)
-  %cmp = icmp slt i32 %res, 0
-  br i1 %cmp, label %exit, label %store
-
-store:
-  store i32 0, i32 *%dest
-  br label %exit
-
-exit:
-  ret i32 %res
-}