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1431b3c2f5
This adds all CodeGen tests for the SystemZ target. This version of the patch incorporates feedback from a review by Sean Silva. Thanks to all reviewers! Patch by Richard Sandiford. llvm-svn: 181204
130 lines
2.9 KiB
LLVM
130 lines
2.9 KiB
LLVM
; Test 32-bit ANDs in which the second operand is variable.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check NR.
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define i32 @f1(i32 %a, i32 %b) {
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; CHECK: f1:
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; CHECK: nr %r2, %r3
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; CHECK: br %r14
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%and = and i32 %a, %b
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ret i32 %and
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}
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; Check the low end of the N range.
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define i32 @f2(i32 %a, i32 *%src) {
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; CHECK: f2:
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; CHECK: n %r2, 0(%r3)
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; CHECK: br %r14
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%b = load i32 *%src
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%and = and i32 %a, %b
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ret i32 %and
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}
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; Check the high end of the aligned N range.
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define i32 @f3(i32 %a, i32 *%src) {
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; CHECK: f3:
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; CHECK: n %r2, 4092(%r3)
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; CHECK: br %r14
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%ptr = getelementptr i32 *%src, i64 1023
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%b = load i32 *%ptr
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%and = and i32 %a, %b
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ret i32 %and
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}
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; Check the next word up, which should use NY instead of N.
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define i32 @f4(i32 %a, i32 *%src) {
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; CHECK: f4:
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; CHECK: ny %r2, 4096(%r3)
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; CHECK: br %r14
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%ptr = getelementptr i32 *%src, i64 1024
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%b = load i32 *%ptr
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%and = and i32 %a, %b
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ret i32 %and
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}
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; Check the high end of the aligned NY range.
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define i32 @f5(i32 %a, i32 *%src) {
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; CHECK: f5:
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; CHECK: ny %r2, 524284(%r3)
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; CHECK: br %r14
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%ptr = getelementptr i32 *%src, i64 131071
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%b = load i32 *%ptr
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%and = and i32 %a, %b
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ret i32 %and
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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 i32 @f6(i32 %a, i32 *%src) {
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; CHECK: f6:
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; CHECK: agfi %r3, 524288
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; CHECK: n %r2, 0(%r3)
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; CHECK: br %r14
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%ptr = getelementptr i32 *%src, i64 131072
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%b = load i32 *%ptr
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%and = and i32 %a, %b
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ret i32 %and
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}
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; Check the high end of the negative aligned NY range.
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define i32 @f7(i32 %a, i32 *%src) {
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; CHECK: f7:
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; CHECK: ny %r2, -4(%r3)
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; CHECK: br %r14
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%ptr = getelementptr i32 *%src, i64 -1
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%b = load i32 *%ptr
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%and = and i32 %a, %b
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ret i32 %and
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}
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; Check the low end of the NY range.
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define i32 @f8(i32 %a, i32 *%src) {
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; CHECK: f8:
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; CHECK: ny %r2, -524288(%r3)
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; CHECK: br %r14
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%ptr = getelementptr i32 *%src, i64 -131072
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%b = load i32 *%ptr
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%and = and i32 %a, %b
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ret i32 %and
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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 i32 @f9(i32 %a, i32 *%src) {
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; CHECK: f9:
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; CHECK: agfi %r3, -524292
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; CHECK: n %r2, 0(%r3)
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; CHECK: br %r14
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%ptr = getelementptr i32 *%src, i64 -131073
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%b = load i32 *%ptr
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%and = and i32 %a, %b
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ret i32 %and
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}
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; Check that N allows an index.
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define i32 @f10(i32 %a, i64 %src, i64 %index) {
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; CHECK: f10:
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; CHECK: n %r2, 4092({{%r4,%r3|%r3,%r4}})
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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 i32 *
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%b = load i32 *%ptr
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%and = and i32 %a, %b
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ret i32 %and
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}
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; Check that NY allows an index.
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define i32 @f11(i32 %a, i64 %src, i64 %index) {
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; CHECK: f11:
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; CHECK: ny %r2, 4096({{%r4,%r3|%r3,%r4}})
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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 i32 *
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%b = load i32 *%ptr
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%and = and i32 %a, %b
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ret i32 %and
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}
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