a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
242 lines
6.5 KiB
LLVM
242 lines
6.5 KiB
LLVM
; Test 8-bit unsigned comparisons between memory and constants.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check ordered comparisons near the low end of the unsigned 8-bit range.
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define double @f1(double %a, double %b, ptr %ptr) {
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; CHECK-LABEL: f1:
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; CHECK: cli 0(%r2), 1
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; CHECK-NEXT: bhr %r14
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; CHECK: br %r14
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%val = load i8, ptr %ptr
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%cond = icmp ugt i8 %val, 1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check ordered comparisons near the high end of the unsigned 8-bit range.
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define double @f2(double %a, double %b, ptr %ptr) {
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; CHECK-LABEL: f2:
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; CHECK: cli 0(%r2), 254
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; CHECK-NEXT: blr %r14
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; CHECK: br %r14
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%val = load i8, ptr %ptr
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%cond = icmp ult i8 %val, 254
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check tests for negative bytes.
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define double @f3(double %a, double %b, ptr %ptr) {
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; CHECK-LABEL: f3:
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; CHECK: cli 0(%r2), 127
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; CHECK-NEXT: bhr %r14
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; CHECK: br %r14
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%val = load i8, ptr %ptr
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%cond = icmp slt i8 %val, 0
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; ...and an alternative form.
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define double @f4(double %a, double %b, ptr %ptr) {
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; CHECK-LABEL: f4:
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; CHECK: cli 0(%r2), 127
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; CHECK-NEXT: bhr %r14
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; CHECK: br %r14
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%val = load i8, ptr %ptr
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%cond = icmp sle i8 %val, -1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check tests for non-negative bytes.
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define double @f5(double %a, double %b, ptr %ptr) {
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; CHECK-LABEL: f5:
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; CHECK: cli 0(%r2), 128
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; CHECK-NEXT: blr %r14
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; CHECK: br %r14
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%val = load i8, ptr %ptr
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%cond = icmp sge i8 %val, 0
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; ...and an alternative form.
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define double @f6(double %a, double %b, ptr %ptr) {
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; CHECK-LABEL: f6:
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; CHECK: cli 0(%r2), 128
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; CHECK-NEXT: blr %r14
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; CHECK: br %r14
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%val = load i8, ptr %ptr
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%cond = icmp sgt i8 %val, -1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check equality comparisons at the low end of the signed 8-bit range.
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define double @f7(double %a, double %b, ptr %ptr) {
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; CHECK-LABEL: f7:
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; CHECK: cli 0(%r2), 128
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; CHECK-NEXT: ber %r14
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; CHECK: br %r14
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%val = load i8, ptr %ptr
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%cond = icmp eq i8 %val, -128
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check equality comparisons at the low end of the unsigned 8-bit range.
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define double @f8(double %a, double %b, ptr %ptr) {
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; CHECK-LABEL: f8:
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; CHECK: cli 0(%r2), 0
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; CHECK-NEXT: ber %r14
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; CHECK: br %r14
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%val = load i8, ptr %ptr
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%cond = icmp eq i8 %val, 0
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check equality comparisons at the high end of the signed 8-bit range.
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define double @f9(double %a, double %b, ptr %ptr) {
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; CHECK-LABEL: f9:
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; CHECK: cli 0(%r2), 127
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; CHECK-NEXT: ber %r14
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; CHECK: br %r14
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%val = load i8, ptr %ptr
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%cond = icmp eq i8 %val, 127
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check equality comparisons at the high end of the unsigned 8-bit range.
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define double @f10(double %a, double %b, ptr %ptr) {
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; CHECK-LABEL: f10:
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; CHECK: cli 0(%r2), 255
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; CHECK-NEXT: ber %r14
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; CHECK: br %r14
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%val = load i8, ptr %ptr
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%cond = icmp eq i8 %val, 255
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the high end of the CLI range.
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define double @f11(double %a, double %b, ptr %src) {
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; CHECK-LABEL: f11:
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; CHECK: cli 4095(%r2), 127
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; CHECK: br %r14
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%ptr = getelementptr i8, ptr %src, i64 4095
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%val = load i8, ptr %ptr
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%cond = icmp ult i8 %val, 127
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the next byte up, which should use CLIY instead of CLI.
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define double @f12(double %a, double %b, ptr %src) {
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; CHECK-LABEL: f12:
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; CHECK: cliy 4096(%r2), 127
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; CHECK: br %r14
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%ptr = getelementptr i8, ptr %src, i64 4096
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%val = load i8, ptr %ptr
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%cond = icmp ult i8 %val, 127
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the high end of the CLIY range.
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define double @f13(double %a, double %b, ptr %src) {
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; CHECK-LABEL: f13:
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; CHECK: cliy 524287(%r2), 127
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; CHECK: br %r14
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%ptr = getelementptr i8, ptr %src, i64 524287
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%val = load i8, ptr %ptr
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%cond = icmp ult i8 %val, 127
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the next byte up, which needs separate address logic.
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; Other sequences besides this one would be OK.
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define double @f14(double %a, double %b, ptr %src) {
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; CHECK-LABEL: f14:
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; CHECK: agfi %r2, 524288
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; CHECK: cli 0(%r2), 127
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; CHECK: br %r14
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%ptr = getelementptr i8, ptr %src, i64 524288
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%val = load i8, ptr %ptr
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%cond = icmp ult i8 %val, 127
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the high end of the negative CLIY range.
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define double @f15(double %a, double %b, ptr %src) {
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; CHECK-LABEL: f15:
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; CHECK: cliy -1(%r2), 127
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; CHECK: br %r14
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%ptr = getelementptr i8, ptr %src, i64 -1
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%val = load i8, ptr %ptr
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%cond = icmp ult i8 %val, 127
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the low end of the CLIY range.
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define double @f16(double %a, double %b, ptr %src) {
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; CHECK-LABEL: f16:
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; CHECK: cliy -524288(%r2), 127
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; CHECK: br %r14
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%ptr = getelementptr i8, ptr %src, i64 -524288
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%val = load i8, ptr %ptr
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%cond = icmp ult i8 %val, 127
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the next byte down, which needs separate address logic.
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; Other sequences besides this one would be OK.
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define double @f17(double %a, double %b, ptr %src) {
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; CHECK-LABEL: f17:
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; CHECK: agfi %r2, -524289
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; CHECK: cli 0(%r2), 127
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; CHECK: br %r14
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%ptr = getelementptr i8, ptr %src, i64 -524289
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%val = load i8, ptr %ptr
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%cond = icmp ult i8 %val, 127
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check that CLI does not allow an index
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define double @f18(double %a, double %b, i64 %base, i64 %index) {
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; CHECK-LABEL: f18:
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; CHECK: agr %r2, %r3
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; CHECK: cli 4095(%r2), 127
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; CHECK: br %r14
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%add1 = add i64 %base, %index
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%add2 = add i64 %add1, 4095
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%ptr = inttoptr i64 %add2 to ptr
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%val = load i8, ptr %ptr
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%cond = icmp ult i8 %val, 127
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check that CLIY does not allow an index
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define double @f19(double %a, double %b, i64 %base, i64 %index) {
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; CHECK-LABEL: f19:
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; CHECK: agr %r2, %r3
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; CHECK: cliy 4096(%r2), 127
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; CHECK: br %r14
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%add1 = add i64 %base, %index
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%add2 = add i64 %add1, 4096
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%ptr = inttoptr i64 %add2 to ptr
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%val = load i8, ptr %ptr
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%cond = icmp ult i8 %val, 127
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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