Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/CodeGen/SystemZ/int-cmp-38.ll

@@ -1,135 +0,0 @@
-; Test 32-bit comparisons in which the second operand is a PC-relative
-; variable.
-;
-; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
-
-@g = global i32 1
-@h = global i32 1, align 2, section "foo"
-
-; Check signed comparisons.
-define i32 @f1(i32 %src1) {
-; CHECK-LABEL: f1:
-; CHECK: crl %r2, g
-; CHECK-NEXT: blr %r14
-; CHECK: br %r14
-entry:
-  %src2 = load i32 , i32 *@g
-  %cond = icmp slt i32 %src1, %src2
-  br i1 %cond, label %exit, label %mulb
-mulb:
-  %mul = mul i32 %src1, %src1
-  br label %exit
-exit:
-  %res = phi i32 [ %src1, %entry ], [ %mul, %mulb ]
-  ret i32 %res
-}
-
-; Check unsigned comparisons.
-define i32 @f2(i32 %src1) {
-; CHECK-LABEL: f2:
-; CHECK: clrl %r2, g
-; CHECK-NEXT: blr %r14
-; CHECK: br %r14
-entry:
-  %src2 = load i32 , i32 *@g
-  %cond = icmp ult i32 %src1, %src2
-  br i1 %cond, label %exit, label %mulb
-mulb:
-  %mul = mul i32 %src1, %src1
-  br label %exit
-exit:
-  %res = phi i32 [ %src1, %entry ], [ %mul, %mulb ]
-  ret i32 %res
-}
-
-; Check equality, which can use CRL or CLRL.
-define i32 @f3(i32 %src1) {
-; CHECK-LABEL: f3:
-; CHECK: c{{l?}}rl %r2, g
-; CHECK-NEXT: ber %r14
-; CHECK: br %r14
-entry:
-  %src2 = load i32 , i32 *@g
-  %cond = icmp eq i32 %src1, %src2
-  br i1 %cond, label %exit, label %mulb
-mulb:
-  %mul = mul i32 %src1, %src1
-  br label %exit
-exit:
-  %res = phi i32 [ %src1, %entry ], [ %mul, %mulb ]
-  ret i32 %res
-}
-
-; ...likewise inequality.
-define i32 @f4(i32 %src1) {
-; CHECK-LABEL: f4:
-; CHECK: c{{l?}}rl %r2, g
-; CHECK-NEXT: blhr %r14
-; CHECK: br %r14
-entry:
-  %src2 = load i32 , i32 *@g
-  %cond = icmp ne i32 %src1, %src2
-  br i1 %cond, label %exit, label %mulb
-mulb:
-  %mul = mul i32 %src1, %src1
-  br label %exit
-exit:
-  %res = phi i32 [ %src1, %entry ], [ %mul, %mulb ]
-  ret i32 %res
-}
-
-; Repeat f1 with an unaligned address.
-define i32 @f5(i32 %src1) {
-; CHECK-LABEL: f5:
-; CHECK: larl [[REG:%r[0-5]]], h
-; CHECK: c %r2, 0([[REG]])
-; CHECK-NEXT: blr %r14
-; CHECK: br %r14
-entry:
-  %src2 = load i32 , i32 *@h, align 2
-  %cond = icmp slt i32 %src1, %src2
-  br i1 %cond, label %exit, label %mulb
-mulb:
-  %mul = mul i32 %src1, %src1
-  br label %exit
-exit:
-  %res = phi i32 [ %src1, %entry ], [ %mul, %mulb ]
-  ret i32 %res
-}
-
-; Repeat f2 with an unaligned address.
-define i32 @f6(i32 %src1) {
-; CHECK-LABEL: f6:
-; CHECK: larl [[REG:%r[0-5]]], h
-; CHECK: cl %r2, 0([[REG]])
-; CHECK-NEXT: blr %r14
-; CHECK: br %r14
-entry:
-  %src2 = load i32 , i32 *@h, align 2
-  %cond = icmp ult i32 %src1, %src2
-  br i1 %cond, label %exit, label %mulb
-mulb:
-  %mul = mul i32 %src1, %src1
-  br label %exit
-exit:
-  %res = phi i32 [ %src1, %entry ], [ %mul, %mulb ]
-  ret i32 %res
-}
-
-; Check the comparison can be reversed if that allows CRL to be used.
-define i32 @f7(i32 %src2) {
-; CHECK-LABEL: f7:
-; CHECK: crl %r2, g
-; CHECK-NEXT: bhr %r14
-; CHECK: br %r14
-entry:
-  %src1 = load i32 , i32 *@g
-  %cond = icmp slt i32 %src1, %src2
-  br i1 %cond, label %exit, label %mulb
-mulb:
-  %mul = mul i32 %src2, %src2
-  br label %exit
-exit:
-  %res = phi i32 [ %src2, %entry ], [ %mul, %mulb ]
-  ret i32 %res
-}