Kai Nacke a1710eb3cd [SystemZ][NFC] Opaque pointer migration.
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.
2022-10-11 21:09:43 +00:00

111 lines
2.7 KiB
LLVM

; Test 32-bit floating-point loads.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Test the low end of the LE range.
define float @f1(ptr %src) {
; CHECK-LABEL: f1:
; CHECK: le %f0, 0(%r2)
; CHECK: br %r14
%val = load float, ptr %src
ret float %val
}
; Test the high end of the LE range.
define float @f2(ptr %src) {
; CHECK-LABEL: f2:
; CHECK: le %f0, 4092(%r2)
; CHECK: br %r14
%ptr = getelementptr float, ptr %src, i64 1023
%val = load float, ptr %ptr
ret float %val
}
; Check the next word up, which should use LEY instead of LE.
define float @f3(ptr %src) {
; CHECK-LABEL: f3:
; CHECK: ley %f0, 4096(%r2)
; CHECK: br %r14
%ptr = getelementptr float, ptr %src, i64 1024
%val = load float, ptr %ptr
ret float %val
}
; Check the high end of the aligned LEY range.
define float @f4(ptr %src) {
; CHECK-LABEL: f4:
; CHECK: ley %f0, 524284(%r2)
; CHECK: br %r14
%ptr = getelementptr float, ptr %src, i64 131071
%val = load float, ptr %ptr
ret float %val
}
; Check the next word up, which needs separate address logic.
; Other sequences besides this one would be OK.
define float @f5(ptr %src) {
; CHECK-LABEL: f5:
; CHECK: agfi %r2, 524288
; CHECK: le %f0, 0(%r2)
; CHECK: br %r14
%ptr = getelementptr float, ptr %src, i64 131072
%val = load float, ptr %ptr
ret float %val
}
; Check the high end of the negative aligned LEY range.
define float @f6(ptr %src) {
; CHECK-LABEL: f6:
; CHECK: ley %f0, -4(%r2)
; CHECK: br %r14
%ptr = getelementptr float, ptr %src, i64 -1
%val = load float, ptr %ptr
ret float %val
}
; Check the low end of the LEY range.
define float @f7(ptr %src) {
; CHECK-LABEL: f7:
; CHECK: ley %f0, -524288(%r2)
; CHECK: br %r14
%ptr = getelementptr float, ptr %src, i64 -131072
%val = load float, ptr %ptr
ret float %val
}
; Check the next word down, which needs separate address logic.
; Other sequences besides this one would be OK.
define float @f8(ptr %src) {
; CHECK-LABEL: f8:
; CHECK: agfi %r2, -524292
; CHECK: le %f0, 0(%r2)
; CHECK: br %r14
%ptr = getelementptr float, ptr %src, i64 -131073
%val = load float, ptr %ptr
ret float %val
}
; Check that LE allows an index.
define float @f9(i64 %src, i64 %index) {
; CHECK-LABEL: f9:
; CHECK: le %f0, 4092({{%r3,%r2|%r2,%r3}})
; CHECK: br %r14
%add1 = add i64 %src, %index
%add2 = add i64 %add1, 4092
%ptr = inttoptr i64 %add2 to ptr
%val = load float, ptr %ptr
ret float %val
}
; Check that LEY allows an index.
define float @f10(i64 %src, i64 %index) {
; CHECK-LABEL: f10:
; CHECK: ley %f0, 4096({{%r3,%r2|%r2,%r3}})
; CHECK: br %r14
%add1 = add i64 %src, %index
%add2 = add i64 %add1, 4096
%ptr = inttoptr i64 %add2 to ptr
%val = load float, ptr %ptr
ret float %val
}