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