Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/SystemZ/int-cmp-20.ll

@@ -1,220 +0,0 @@
-; Test 32-bit ordered comparisons that are really between a memory byte
-; and a constant.
-;
-; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
-
-; Check unsigned comparison near the low end of the CLI range, using zero
-; extension.
-define double @f1(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f1:
-; CHECK: cli 0(%r2), 1
-; CHECK-NEXT: bhr %r14
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = zext i8 %val to i32
-  %cond = icmp ugt i32 %ext, 1
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; Check unsigned comparison near the low end of the CLI range, using sign
-; extension.
-define double @f2(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f2:
-; CHECK: cli 0(%r2), 1
-; CHECK-NEXT: bhr %r14
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = sext i8 %val to i32
-  %cond = icmp ugt i32 %ext, 1
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; Check unsigned comparison near the high end of the CLI range, using zero
-; extension.
-define double @f3(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f3:
-; CHECK: cli 0(%r2), 254
-; CHECK-NEXT: blr %r14
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = zext i8 %val to i32
-  %cond = icmp ult i32 %ext, 254
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; Check unsigned comparison near the high end of the CLI range, using sign
-; extension.
-define double @f4(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f4:
-; CHECK: cli 0(%r2), 254
-; CHECK-NEXT: blr %r14
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = sext i8 %val to i32
-  %cond = icmp ult i32 %ext, -2
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; Check unsigned comparison above the high end of the CLI range, using zero
-; extension.  The condition is always true.
-define double @f5(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f5:
-; CHECK-NOT: cli {{.*}}
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = zext i8 %val to i32
-  %cond = icmp ult i32 %ext, 256
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; When using unsigned comparison with sign extension, equality with values
-; in the range [128, MAX-129] is impossible, and ordered comparisons with
-; those values are effectively sign tests.  Since such comparisons are
-; unlikely to occur in practice, we don't bother optimizing the second case,
-; and simply ignore CLI for this range.  First check the low end of the range.
-define double @f6(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f6:
-; CHECK-NOT: cli {{.*}}
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = sext i8 %val to i32
-  %cond = icmp ult i32 %ext, 128
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; ...and then the high end.
-define double @f7(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f7:
-; CHECK-NOT: cli {{.*}}
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = sext i8 %val to i32
-  %cond = icmp ult i32 %ext, -129
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; Check signed comparison near the low end of the CLI range, using zero
-; extension.  This is equivalent to unsigned comparison.
-define double @f8(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f8:
-; CHECK: cli 0(%r2), 1
-; CHECK-NEXT: bhr %r14
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = zext i8 %val to i32
-  %cond = icmp sgt i32 %ext, 1
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; Check signed comparison near the low end of the CLI range, using sign
-; extension.  This cannot use CLI.
-define double @f9(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f9:
-; CHECK-NOT: cli {{.*}}
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = sext i8 %val to i32
-  %cond = icmp sgt i32 %ext, 1
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; Check signed comparison near the high end of the CLI range, using zero
-; extension.  This is equivalent to unsigned comparison.
-define double @f10(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f10:
-; CHECK: cli 0(%r2), 254
-; CHECK-NEXT: blr %r14
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = zext i8 %val to i32
-  %cond = icmp slt i32 %ext, 254
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; Check signed comparison near the high end of the CLI range, using sign
-; extension.  This cannot use CLI.
-define double @f11(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f11:
-; CHECK-NOT: cli {{.*}}
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = sext i8 %val to i32
-  %cond = icmp slt i32 %ext, -2
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; Check signed comparison above the high end of the CLI range, using zero
-; extension.  The condition is always true.
-define double @f12(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f12:
-; CHECK-NOT: cli {{.*}}
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = zext i8 %val to i32
-  %cond = icmp slt i32 %ext, 256
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; Check tests for nonnegative values.
-define double @f13(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f13:
-; CHECK: cli 0(%r2), 128
-; CHECK-NEXT: blr %r14
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = sext i8 %val to i32
-  %cond = icmp sge i32 %ext, 0
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; ...and another form
-define double @f14(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f14:
-; CHECK: cli 0(%r2), 128
-; CHECK-NEXT: blr %r14
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = sext i8 %val to i32
-  %cond = icmp sgt i32 %ext, -1
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; Check tests for negative values.
-define double @f15(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f15:
-; CHECK: cli 0(%r2), 127
-; CHECK-NEXT: bhr %r14
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = sext i8 %val to i32
-  %cond = icmp slt i32 %ext, 0
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}
-
-; ...and another form
-define double @f16(double %a, double %b, i8 *%ptr) {
-; CHECK-LABEL: f16:
-; CHECK: cli 0(%r2), 127
-; CHECK-NEXT: bhr %r14
-; CHECK: br %r14
-  %val = load i8 , i8 *%ptr
-  %ext = sext i8 %val to i32
-  %cond = icmp sle i32 %ext, -1
-  %res = select i1 %cond, double %a, double %b
-  ret double %res
-}