93 lines
2.6 KiB
LLVM
93 lines
2.6 KiB
LLVM
; RUN: llc -verify-machineinstrs -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr -mcpu=generic < %s -mtriple=ppc64-- | FileCheck %s -check-prefix=GENERIC-CHECK
|
|
; RUN: llc -verify-machineinstrs -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr -mcpu=pwr8 < %s -mtriple=ppc64-- | FileCheck %s -check-prefixes=PWR8-CHECK,CHECK
|
|
; RUN: llc -verify-machineinstrs -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr -mcpu=pwr9 < %s -mtriple=ppc64le-- | FileCheck %s -check-prefixes=PWR9-CHECK,CHECK
|
|
|
|
|
|
define i64 @foo(i64 %a) {
|
|
entry:
|
|
%mul = mul nsw i64 %a, 6
|
|
ret i64 %mul
|
|
}
|
|
|
|
; GENERIC-CHECK-LABEL: @foo
|
|
; GENERIC-CHECK: mulli r3, r3, 6
|
|
; GENERIC-CHECK: blr
|
|
|
|
define i64 @test1(i64 %a) {
|
|
%tmp.1 = mul nsw i64 %a, 16 ; <i64> [#uses=1]
|
|
ret i64 %tmp.1
|
|
}
|
|
; CHECK-LABEL: test1:
|
|
; CHECK-NOT: mul
|
|
; CHECK: sldi r[[REG1:[0-9]+]], r3, 4
|
|
|
|
|
|
define i64 @test2(i64 %a) {
|
|
%tmp.1 = mul nsw i64 %a, 17 ; <i64> [#uses=1]
|
|
ret i64 %tmp.1
|
|
}
|
|
; CHECK-LABEL: test2:
|
|
; CHECK-NOT: mul
|
|
; CHECK: sldi r[[REG1:[0-9]+]], r3, 4
|
|
; CHECK-NEXT: add r[[REG2:[0-9]+]], r3, r[[REG1]]
|
|
|
|
define i64 @test3(i64 %a) {
|
|
%tmp.1 = mul nsw i64 %a, 15 ; <i64> [#uses=1]
|
|
ret i64 %tmp.1
|
|
}
|
|
; CHECK-LABEL: test3:
|
|
; CHECK-NOT: mul
|
|
; CHECK: sldi r[[REG1:[0-9]+]], r3, 4
|
|
; CHECK-NEXT: sub r[[REG2:[0-9]+]], r[[REG1]], r3
|
|
|
|
; negtive constant
|
|
|
|
define i64 @test4(i64 %a) {
|
|
%tmp.1 = mul nsw i64 %a, -16 ; <i64> [#uses=1]
|
|
ret i64 %tmp.1
|
|
}
|
|
; CHECK-LABEL: test4:
|
|
; CHECK-NOT: mul
|
|
; CHECK: sldi r[[REG1:[0-9]+]], r3, 4
|
|
; CHECK-NEXT: neg r[[REG2:[0-9]+]], r[[REG1]]
|
|
|
|
define i64 @test5(i64 %a) {
|
|
%tmp.1 = mul nsw i64 %a, -17 ; <i64> [#uses=1]
|
|
ret i64 %tmp.1
|
|
}
|
|
; CHECK-LABEL: test5:
|
|
; PWR9-CHECK: mulli r[[REG1:[0-9]+]], r3, -17
|
|
; PWR8-CHECK-NOT: mul
|
|
; PWR8-CHECK: sldi r[[REG1:[0-9]+]], r3, 4
|
|
; PWR8-CHECK-NEXT: add r[[REG2:[0-9]+]], r3, r[[REG1]]
|
|
; PWR8-CHECK-NEXT: neg r{{[0-9]+}}, r[[REG2]]
|
|
|
|
define i64 @test6(i64 %a) {
|
|
%tmp.1 = mul nsw i64 %a, -15 ; <i64> [#uses=1]
|
|
ret i64 %tmp.1
|
|
}
|
|
; CHECK-LABEL: test6:
|
|
; CHECK-NOT: mul
|
|
; CHECK: sldi r[[REG1:[0-9]+]], r3, 4
|
|
; CHECK-NEXT: sub r[[REG2:[0-9]+]], r3, r[[REG1]]
|
|
; CHECK-NOT: neg
|
|
|
|
; boundary case
|
|
|
|
define i64 @test7(i64 %a) {
|
|
%tmp.1 = mul nsw i64 %a, -9223372036854775808 ; <i64> [#uses=1]
|
|
ret i64 %tmp.1
|
|
}
|
|
; CHECK-LABEL: test7:
|
|
; CHECK-NOT: mul
|
|
; CHECK: sldi r[[REG1:[0-9]+]], r3, 63
|
|
|
|
define i64 @test8(i64 %a) {
|
|
%tmp.1 = mul nsw i64 %a, 9223372036854775807 ; <i64> [#uses=1]
|
|
ret i64 %tmp.1
|
|
}
|
|
; CHECK-LABEL: test8:
|
|
; CHECK-NOT: mul
|
|
; CHECK: sldi r[[REG1:[0-9]+]], r3, 63
|
|
; CHECK-NEXT: sub r[[REG2:[0-9]+]], r[[REG1]], r3
|