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[NFC][PowerPC] Add tests for mul with big constants.

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This commit is contained in:
Esme-Yi 2020-09-07 09:45:47 +00:00
parent bd029710f2
commit 67a9609ddc
1 changed files with 70 additions and 0 deletions
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test/CodeGen/PowerPC/mulli.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --extra_scrub
; RUN: llc -verify-machineinstrs -mcpu=pwr9 -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
define i64 @test1(i64 %x) {
; CHECK-LABEL: test1:
; CHECK: # %bb.0:
; CHECK-NEXT: li 4, 625
; CHECK-NEXT: sldi 4, 4, 36
; CHECK-NEXT: mulld 3, 3, 4
; CHECK-NEXT: blr
%y = mul i64 %x, 42949672960000
ret i64 %y
}
define i64 @test2(i64 %x) {
; CHECK-LABEL: test2:
; CHECK: # %bb.0:
; CHECK-NEXT: li 4, -625
; CHECK-NEXT: sldi 4, 4, 36
; CHECK-NEXT: mulld 3, 3, 4
; CHECK-NEXT: blr
%y = mul i64 %x, -42949672960000
ret i64 %y
}
define i64 @test3(i64 %x) {
; CHECK-LABEL: test3:
; CHECK: # %bb.0:
; CHECK-NEXT: lis 4, 74
; CHECK-NEXT: ori 4, 4, 16384
; CHECK-NEXT: mulld 3, 3, 4
; CHECK-NEXT: blr
%y = mul i64 %x, 4866048
ret i64 %y
}
define i64 @test4(i64 %x) {
; CHECK-LABEL: test4:
; CHECK: # %bb.0:
; CHECK-NEXT: lis 4, -75
; CHECK-NEXT: ori 4, 4, 49152
; CHECK-NEXT: mulld 3, 3, 4
; CHECK-NEXT: blr
%y = mul i64 %x, -4866048
ret i64 %y
}
define i64 @test5(i64 %x) {
; CHECK-LABEL: test5:
; CHECK: # %bb.0:
; CHECK-NEXT: lis 4, 16
; CHECK-NEXT: ori 4, 4, 1
; CHECK-NEXT: sldi 4, 4, 12
; CHECK-NEXT: mulld 3, 3, 4
; CHECK-NEXT: blr
%y = mul i64 %x, 4294971392
ret i64 %y
}
define i64 @test6(i64 %x) {
; CHECK-LABEL: test6:
; CHECK: # %bb.0:
; CHECK-NEXT: lis 4, -17
; CHECK-NEXT: ori 4, 4, 65535
; CHECK-NEXT: sldi 4, 4, 12
; CHECK-NEXT: mulld 3, 3, 4
; CHECK-NEXT: blr
%y = mul i64 %x, -4294971392
ret i64 %y
}