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Diffstat (limited to 'test/CodeGen/SystemZ/int-cmp-20.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/int-cmp-20.ll | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/test/CodeGen/SystemZ/int-cmp-20.ll b/test/CodeGen/SystemZ/int-cmp-20.ll deleted file mode 100644 index 55f7efc08a19..000000000000 --- a/test/CodeGen/SystemZ/int-cmp-20.ll +++ /dev/null @@ -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 -} |
