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[SystemZ] Add tests for ALHSIK and ALGHSIK

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The insn definitions themselves crept into r186689, sorry.
This should be the last of the distinct-ops instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186690 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Sandiford
2013-07-19 16:44:32 +00:00
parent c7c7e1502a
commit 6dae7ae765
4 changed files with 147 additions and 0 deletions
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71
test/CodeGen/SystemZ/int-add-16.ll
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@@ -20,3 +20,74 @@ define i64 @f1(i64 %a, i64 %b, i64 %c, i64 %d, i64 *%ptr) {
%low = extractelement <2 x i64> %addv, i32 1
ret i64 %low
}
; Test addition of 1.
define void @f2(i64 %a, i64 %b, i128 *%ptr) {
; CHECK-LABEL: f2:
; CHECK: alghsik {{%r[0-5]}}, %r3, 1
; CHECK: alcgr
; CHECK: br %r14
%x1 = insertelement <2 x i64> undef, i64 %a, i32 0
%x2 = insertelement <2 x i64> %x1, i64 %b, i32 1
%x = bitcast <2 x i64> %x2 to i128
%add = add i128 %x, 1
store i128 %add, i128 *%ptr
ret void
}
; Test the upper end of the ALGHSIK range.
define void @f3(i64 %a, i64 %b, i128 *%ptr) {
; CHECK-LABEL: f3:
; CHECK: alghsik {{%r[0-5]}}, %r3, 32767
; CHECK: alcgr
; CHECK: br %r14
%x1 = insertelement <2 x i64> undef, i64 %a, i32 0
%x2 = insertelement <2 x i64> %x1, i64 %b, i32 1
%x = bitcast <2 x i64> %x2 to i128
%add = add i128 %x, 32767
store i128 %add, i128 *%ptr
ret void
}
; Test the next value up, which should use ALGFI instead.
define void @f4(i64 %a, i64 %b, i128 *%ptr) {
; CHECK-LABEL: f4:
; CHECK: algfi %r3, 32768
; CHECK: alcgr
; CHECK: br %r14
%x1 = insertelement <2 x i64> undef, i64 %a, i32 0
%x2 = insertelement <2 x i64> %x1, i64 %b, i32 1
%x = bitcast <2 x i64> %x2 to i128
%add = add i128 %x, 32768
store i128 %add, i128 *%ptr
ret void
}
; Test the lower end of the ALGHSIK range.
define void @f5(i64 %a, i64 %b, i128 *%ptr) {
; CHECK-LABEL: f5:
; CHECK: alghsik {{%r[0-5]}}, %r3, -32768
; CHECK: alcgr
; CHECK: br %r14
%x1 = insertelement <2 x i64> undef, i64 %a, i32 0
%x2 = insertelement <2 x i64> %x1, i64 %b, i32 1
%x = bitcast <2 x i64> %x2 to i128
%add = add i128 %x, -32768
store i128 %add, i128 *%ptr
ret void
}
; Test the next value down, which cannot use either ALGHSIK or ALGFI.
define void @f6(i64 %a, i64 %b, i128 *%ptr) {
; CHECK-LABEL: f6:
; CHECK-NOT: alghsik
; CHECK-NOT: algfi
; CHECK: alcgr
; CHECK: br %r14
%x1 = insertelement <2 x i64> undef, i64 %a, i32 0
%x2 = insertelement <2 x i64> %x1, i64 %b, i32 1
%x = bitcast <2 x i64> %x2 to i128
%add = add i128 %x, -32769
store i128 %add, i128 *%ptr
ret void
}