mirror of
https://github.com/c64scene-ar/llvm-6502.git
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94 lines
2.0 KiB
LLVM
94 lines
2.0 KiB
LLVM
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; Test sequences that can use RISBG with a normal first operand.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Test a case with two ANDs.
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define i32 @f1(i32 %a, i32 %b) {
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; CHECK-LABEL: f1:
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; CHECK: risbg %r2, %r3, 60, 62, 0
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; CHECK: br %r14
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%anda = and i32 %a, -15
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%andb = and i32 %b, 14
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%or = or i32 %anda, %andb
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ret i32 %or
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}
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; ...and again with i64.
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define i64 @f2(i64 %a, i64 %b) {
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; CHECK-LABEL: f2:
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; CHECK: risbg %r2, %r3, 60, 62, 0
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; CHECK: br %r14
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%anda = and i64 %a, -15
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%andb = and i64 %b, 14
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%or = or i64 %anda, %andb
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ret i64 %or
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}
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; Test a case with two ANDs and a shift.
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define i32 @f3(i32 %a, i32 %b) {
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; CHECK-LABEL: f3:
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; CHECK: risbg %r2, %r3, 60, 63, 56
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; CHECK: br %r14
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%anda = and i32 %a, -16
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%shr = lshr i32 %b, 8
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%andb = and i32 %shr, 15
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%or = or i32 %anda, %andb
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ret i32 %or
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}
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; ...and again with i64.
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define i64 @f4(i64 %a, i64 %b) {
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; CHECK-LABEL: f4:
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; CHECK: risbg %r2, %r3, 60, 63, 56
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; CHECK: br %r14
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%anda = and i64 %a, -16
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%shr = lshr i64 %b, 8
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%andb = and i64 %shr, 15
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%or = or i64 %anda, %andb
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ret i64 %or
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}
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; Test a case with a single AND and a left shift.
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define i32 @f5(i32 %a, i32 %b) {
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; CHECK-LABEL: f5:
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; CHECK: risbg %r2, %r3, 32, 53, 10
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; CHECK: br %r14
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%anda = and i32 %a, 1023
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%shlb = shl i32 %b, 10
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%or = or i32 %anda, %shlb
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ret i32 %or
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}
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; ...and again with i64.
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define i64 @f6(i64 %a, i64 %b) {
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; CHECK-LABEL: f6:
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; CHECK: risbg %r2, %r3, 0, 53, 10
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; CHECK: br %r14
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%anda = and i64 %a, 1023
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%shlb = shl i64 %b, 10
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%or = or i64 %anda, %shlb
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ret i64 %or
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}
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; Test a case with a single AND and a right shift.
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define i32 @f7(i32 %a, i32 %b) {
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; CHECK-LABEL: f7:
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; CHECK: risbg %r2, %r3, 40, 63, 56
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; CHECK: br %r14
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%anda = and i32 %a, -16777216
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%shrb = lshr i32 %b, 8
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%or = or i32 %anda, %shrb
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ret i32 %or
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}
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; ...and again with i64.
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define i64 @f8(i64 %a, i64 %b) {
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; CHECK-LABEL: f8:
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; CHECK: risbg %r2, %r3, 8, 63, 56
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; CHECK: br %r14
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%anda = and i64 %a, -72057594037927936
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%shrb = lshr i64 %b, 8
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%or = or i64 %anda, %shrb
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ret i64 %or
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}
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