111 lines
2.8 KiB
LLVM
111 lines
2.8 KiB
LLVM
|
; Test 32-bit floating-point loads for z13.
|
||
|
|
;
|
||
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
|
||
|
|
|
||
|
|
; Test that we use LDE instead of LE - low end of the LE range.
|
||
|
|
define float @f1(float *%src) {
|
||
|
|
; CHECK-LABEL: f1:
|
||
|
|
; CHECK: lde %f0, 0(%r2)
|
||
|
|
; CHECK: br %r14
|
||
|
|
%val = load float, float *%src
|
||
|
|
ret float %val
|
||
|
|
}
|
||
|
|
|
||
|
|
; Test that we use LDE instead of LE - high end of the LE range.
|
||
|
|
define float @f2(float *%src) {
|
||
|
|
; CHECK-LABEL: f2:
|
||
|
|
; CHECK: lde %f0, 4092(%r2)
|
||
|
|
; CHECK: br %r14
|
||
|
|
%ptr = getelementptr float, float *%src, i64 1023
|
||
|
|
%val = load float, float *%ptr
|
||
|
|
ret float %val
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the next word up, which should use LEY instead of LDE.
|
||
|
|
define float @f3(float *%src) {
|
||
|
|
; CHECK-LABEL: f3:
|
||
|
|
; CHECK: ley %f0, 4096(%r2)
|
||
|
|
; CHECK: br %r14
|
||
|
|
%ptr = getelementptr float, float *%src, i64 1024
|
||
|
|
%val = load float, float *%ptr
|
||
|
|
ret float %val
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the aligned LEY range.
|
||
|
|
define float @f4(float *%src) {
|
||
|
|
; CHECK-LABEL: f4:
|
||
|
|
; CHECK: ley %f0, 524284(%r2)
|
||
|
|
; CHECK: br %r14
|
||
|
|
%ptr = getelementptr float, float *%src, i64 131071
|
||
|
|
%val = load float, float *%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(float *%src) {
|
||
|
|
; CHECK-LABEL: f5:
|
||
|
|
; CHECK: agfi %r2, 524288
|
||
|
|
; CHECK: lde %f0, 0(%r2)
|
||
|
|
; CHECK: br %r14
|
||
|
|
%ptr = getelementptr float, float *%src, i64 131072
|
||
|
|
%val = load float, float *%ptr
|
||
|
|
ret float %val
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the negative aligned LEY range.
|
||
|
|
define float @f6(float *%src) {
|
||
|
|
; CHECK-LABEL: f6:
|
||
|
|
; CHECK: ley %f0, -4(%r2)
|
||
|
|
; CHECK: br %r14
|
||
|
|
%ptr = getelementptr float, float *%src, i64 -1
|
||
|
|
%val = load float, float *%ptr
|
||
|
|
ret float %val
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the low end of the LEY range.
|
||
|
|
define float @f7(float *%src) {
|
||
|
|
; CHECK-LABEL: f7:
|
||
|
|
; CHECK: ley %f0, -524288(%r2)
|
||
|
|
; CHECK: br %r14
|
||
|
|
%ptr = getelementptr float, float *%src, i64 -131072
|
||
|
|
%val = load float, float *%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(float *%src) {
|
||
|
|
; CHECK-LABEL: f8:
|
||
|
|
; CHECK: agfi %r2, -524292
|
||
|
|
; CHECK: lde %f0, 0(%r2)
|
||
|
|
; CHECK: br %r14
|
||
|
|
%ptr = getelementptr float, float *%src, i64 -131073
|
||
|
|
%val = load float, float *%ptr
|
||
|
|
ret float %val
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check that LDE allows an index.
|
||
|
|
define float @f9(i64 %src, i64 %index) {
|
||
|
|
; CHECK-LABEL: f9:
|
||
|
|
; CHECK: lde %f0, 4092({{%r3,%r2|%r2,%r3}})
|
||
|
|
; CHECK: br %r14
|
||
|
|
%add1 = add i64 %src, %index
|
||
|
|
%add2 = add i64 %add1, 4092
|
||
|
|
%ptr = inttoptr i64 %add2 to float *
|
||
|
|
%val = load float, float *%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 float *
|
||
|
|
%val = load float, float *%ptr
|
||
|
|
ret float %val
|
||
|
|
}
|