mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-10 06:54:54 +00:00
After r182274, the branches in these tests must always be short. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182358 91177308-0d34-0410-b5e6-96231b3b80d8
242 lines
6.3 KiB
LLVM
242 lines
6.3 KiB
LLVM
; Test 8-bit unsigned comparisons between memory and constants.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; Check ordered comparisons near the low end of the unsigned 8-bit range.
|
|
define double @f1(double %a, double %b, i8 *%ptr) {
|
|
; CHECK: f1:
|
|
; CHECK: cli 0(%r2), 1
|
|
; CHECK-NEXT: jh
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%cond = icmp ugt i8 %val, 1
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check ordered comparisons near the high end of the unsigned 8-bit range.
|
|
define double @f2(double %a, double %b, i8 *%ptr) {
|
|
; CHECK: f2:
|
|
; CHECK: cli 0(%r2), 254
|
|
; CHECK-NEXT: jl
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%cond = icmp ult i8 %val, 254
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check tests for negative bytes.
|
|
define double @f3(double %a, double %b, i8 *%ptr) {
|
|
; CHECK: f3:
|
|
; CHECK: cli 0(%r2), 127
|
|
; CHECK-NEXT: jh
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%cond = icmp slt i8 %val, 0
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; ...and an alternative form.
|
|
define double @f4(double %a, double %b, i8 *%ptr) {
|
|
; CHECK: f4:
|
|
; CHECK: cli 0(%r2), 127
|
|
; CHECK-NEXT: jh
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%cond = icmp sle i8 %val, -1
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check tests for non-negative bytes.
|
|
define double @f5(double %a, double %b, i8 *%ptr) {
|
|
; CHECK: f5:
|
|
; CHECK: cli 0(%r2), 128
|
|
; CHECK-NEXT: jl
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%cond = icmp sge i8 %val, 0
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; ...and an alternative form.
|
|
define double @f6(double %a, double %b, i8 *%ptr) {
|
|
; CHECK: f6:
|
|
; CHECK: cli 0(%r2), 128
|
|
; CHECK-NEXT: jl
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%cond = icmp sgt i8 %val, -1
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check equality comparisons at the low end of the signed 8-bit range.
|
|
define double @f7(double %a, double %b, i8 *%ptr) {
|
|
; CHECK: f7:
|
|
; CHECK: cli 0(%r2), 128
|
|
; CHECK-NEXT: je
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%cond = icmp eq i8 %val, -128
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check equality comparisons at the low end of the unsigned 8-bit range.
|
|
define double @f8(double %a, double %b, i8 *%ptr) {
|
|
; CHECK: f8:
|
|
; CHECK: cli 0(%r2), 0
|
|
; CHECK-NEXT: je
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%cond = icmp eq i8 %val, 0
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check equality comparisons at the high end of the signed 8-bit range.
|
|
define double @f9(double %a, double %b, i8 *%ptr) {
|
|
; CHECK: f9:
|
|
; CHECK: cli 0(%r2), 127
|
|
; CHECK-NEXT: je
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%cond = icmp eq i8 %val, 127
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check equality comparisons at the high end of the unsigned 8-bit range.
|
|
define double @f10(double %a, double %b, i8 *%ptr) {
|
|
; CHECK: f10:
|
|
; CHECK: cli 0(%r2), 255
|
|
; CHECK-NEXT: je
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%cond = icmp eq i8 %val, 255
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check the high end of the CLI range.
|
|
define double @f11(double %a, double %b, i8 *%src) {
|
|
; CHECK: f11:
|
|
; CHECK: cli 4095(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 4095
|
|
%val = load i8 *%ptr
|
|
%cond = icmp ult i8 %val, 127
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check the next byte up, which should use CLIY instead of CLI.
|
|
define double @f12(double %a, double %b, i8 *%src) {
|
|
; CHECK: f12:
|
|
; CHECK: cliy 4096(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 4096
|
|
%val = load i8 *%ptr
|
|
%cond = icmp ult i8 %val, 127
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check the high end of the CLIY range.
|
|
define double @f13(double %a, double %b, i8 *%src) {
|
|
; CHECK: f13:
|
|
; CHECK: cliy 524287(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 524287
|
|
%val = load i8 *%ptr
|
|
%cond = icmp ult i8 %val, 127
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check the next byte up, which needs separate address logic.
|
|
; Other sequences besides this one would be OK.
|
|
define double @f14(double %a, double %b, i8 *%src) {
|
|
; CHECK: f14:
|
|
; CHECK: agfi %r2, 524288
|
|
; CHECK: cli 0(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 524288
|
|
%val = load i8 *%ptr
|
|
%cond = icmp ult i8 %val, 127
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check the high end of the negative CLIY range.
|
|
define double @f15(double %a, double %b, i8 *%src) {
|
|
; CHECK: f15:
|
|
; CHECK: cliy -1(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 -1
|
|
%val = load i8 *%ptr
|
|
%cond = icmp ult i8 %val, 127
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check the low end of the CLIY range.
|
|
define double @f16(double %a, double %b, i8 *%src) {
|
|
; CHECK: f16:
|
|
; CHECK: cliy -524288(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 -524288
|
|
%val = load i8 *%ptr
|
|
%cond = icmp ult i8 %val, 127
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check the next byte down, which needs separate address logic.
|
|
; Other sequences besides this one would be OK.
|
|
define double @f17(double %a, double %b, i8 *%src) {
|
|
; CHECK: f17:
|
|
; CHECK: agfi %r2, -524289
|
|
; CHECK: cli 0(%r2), 127
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8 *%src, i64 -524289
|
|
%val = load i8 *%ptr
|
|
%cond = icmp ult i8 %val, 127
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check that CLI does not allow an index
|
|
define double @f18(double %a, double %b, i64 %base, i64 %index) {
|
|
; CHECK: f18:
|
|
; CHECK: agr %r2, %r3
|
|
; CHECK: cli 4095(%r2), 127
|
|
; CHECK: br %r14
|
|
%add1 = add i64 %base, %index
|
|
%add2 = add i64 %add1, 4095
|
|
%ptr = inttoptr i64 %add2 to i8 *
|
|
%val = load i8 *%ptr
|
|
%cond = icmp ult i8 %val, 127
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|
|
|
|
; Check that CLIY does not allow an index
|
|
define double @f19(double %a, double %b, i64 %base, i64 %index) {
|
|
; CHECK: f19:
|
|
; CHECK: agr %r2, %r3
|
|
; CHECK: cliy 4096(%r2), 127
|
|
; CHECK: br %r14
|
|
%add1 = add i64 %base, %index
|
|
%add2 = add i64 %add1, 4096
|
|
%ptr = inttoptr i64 %add2 to i8 *
|
|
%val = load i8 *%ptr
|
|
%cond = icmp ult i8 %val, 127
|
|
%res = select i1 %cond, double %a, double %b
|
|
ret double %res
|
|
}
|