You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
2.6 KiB
111 lines
2.6 KiB
; Test 32-bit GPR loads.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; Check the low end of the L range.
|
|
define i32 @f1(i32 *%src) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: l %r2, 0(%r2)
|
|
; CHECK: br %r14
|
|
%val = load i32 , i32 *%src
|
|
ret i32 %val
|
|
}
|
|
|
|
; Check the high end of the aligned L range.
|
|
define i32 @f2(i32 *%src) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: l %r2, 4092(%r2)
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i32, i32 *%src, i64 1023
|
|
%val = load i32 , i32 *%ptr
|
|
ret i32 %val
|
|
}
|
|
|
|
; Check the next word up, which should use LY instead of L.
|
|
define i32 @f3(i32 *%src) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: ly %r2, 4096(%r2)
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i32, i32 *%src, i64 1024
|
|
%val = load i32 , i32 *%ptr
|
|
ret i32 %val
|
|
}
|
|
|
|
; Check the high end of the aligned LY range.
|
|
define i32 @f4(i32 *%src) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: ly %r2, 524284(%r2)
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i32, i32 *%src, i64 131071
|
|
%val = load i32 , i32 *%ptr
|
|
ret i32 %val
|
|
}
|
|
|
|
; Check the next word up, which needs separate address logic.
|
|
; Other sequences besides this one would be OK.
|
|
define i32 @f5(i32 *%src) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: agfi %r2, 524288
|
|
; CHECK: l %r2, 0(%r2)
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i32, i32 *%src, i64 131072
|
|
%val = load i32 , i32 *%ptr
|
|
ret i32 %val
|
|
}
|
|
|
|
; Check the high end of the negative aligned LY range.
|
|
define i32 @f6(i32 *%src) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: ly %r2, -4(%r2)
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i32, i32 *%src, i64 -1
|
|
%val = load i32 , i32 *%ptr
|
|
ret i32 %val
|
|
}
|
|
|
|
; Check the low end of the LY range.
|
|
define i32 @f7(i32 *%src) {
|
|
; CHECK-LABEL: f7:
|
|
; CHECK: ly %r2, -524288(%r2)
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i32, i32 *%src, i64 -131072
|
|
%val = load i32 , i32 *%ptr
|
|
ret i32 %val
|
|
}
|
|
|
|
; Check the next word down, which needs separate address logic.
|
|
; Other sequences besides this one would be OK.
|
|
define i32 @f8(i32 *%src) {
|
|
; CHECK-LABEL: f8:
|
|
; CHECK: agfi %r2, -524292
|
|
; CHECK: l %r2, 0(%r2)
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i32, i32 *%src, i64 -131073
|
|
%val = load i32 , i32 *%ptr
|
|
ret i32 %val
|
|
}
|
|
|
|
; Check that L allows an index.
|
|
define i32 @f9(i64 %src, i64 %index) {
|
|
; CHECK-LABEL: f9:
|
|
; CHECK: l %r2, 4095({{%r3,%r2|%r2,%r3}})
|
|
; CHECK: br %r14
|
|
%add1 = add i64 %src, %index
|
|
%add2 = add i64 %add1, 4095
|
|
%ptr = inttoptr i64 %add2 to i32 *
|
|
%val = load i32 , i32 *%ptr
|
|
ret i32 %val
|
|
}
|
|
|
|
; Check that LY allows an index.
|
|
define i32 @f10(i64 %src, i64 %index) {
|
|
; CHECK-LABEL: f10:
|
|
; CHECK: ly %r2, 4096({{%r3,%r2|%r2,%r3}})
|
|
; CHECK: br %r14
|
|
%add1 = add i64 %src, %index
|
|
%add2 = add i64 %add1, 4096
|
|
%ptr = inttoptr i64 %add2 to i32 *
|
|
%val = load i32 , i32 *%ptr
|
|
ret i32 %val
|
|
}
|