Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/CodeGen/SystemZ/int-cmp-10.ll

@@ -0,0 +1,54 @@
+; Test 32-bit unsigned comparisons in which the second operand is constant.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+; Check a value near the low end of the range.  We use signed forms for
+; comparisons with zero, or things that are equivalent to them.
+define double @f1(double %a, double %b, i32 %i1) {
+; CHECK-LABEL: f1:
+; CHECK: clijh %r2, 1
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  %cond = icmp ugt i32 %i1, 1
+  %tmp = select i1 %cond, double %a, double %b
+  %res = fadd double %tmp, 1.0
+  ret double %res
+}
+
+; Check the top of the CLIJ range.
+define double @f2(double %a, double %b, i32 %i1) {
+; CHECK-LABEL: f2:
+; CHECK: clijl %r2, 255
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  %cond = icmp ult i32 %i1, 255
+  %tmp = select i1 %cond, double %a, double %b
+  %res = fadd double %tmp, 1.0
+  ret double %res
+}
+
+; Check the next value up, which needs a separate comparison.
+define double @f3(double %a, double %b, i32 %i1) {
+; CHECK-LABEL: f3:
+; CHECK: clfi %r2, 256
+; CHECK: jl
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  %cond = icmp ult i32 %i1, 256
+  %tmp = select i1 %cond, double %a, double %b
+  %res = fadd double %tmp, 1.0
+  ret double %res
+}
+
+; Check a value near the high end of the range.
+define double @f4(double %a, double %b, i32 %i1) {
+; CHECK-LABEL: f4:
+; CHECK: clfi %r2, 4294967280
+; CHECK-NEXT: jl
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  %cond = icmp ult i32 %i1, 4294967280
+  %tmp = select i1 %cond, double %a, double %b
+  %res = fadd double %tmp, 1.0
+  ret double %res
+}