mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 19:23:23 +01:00
97 lines
2.6 KiB
LLVM
97 lines
2.6 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
define i32 @identity_bitreverse_i32(i32 %p) {
|
|
; CHECK-LABEL: @identity_bitreverse_i32(
|
|
; CHECK-NEXT: ret i32 %p
|
|
%a = call i32 @llvm.bitreverse.i32(i32 %p)
|
|
%b = call i32 @llvm.bitreverse.i32(i32 %a)
|
|
ret i32 %b
|
|
}
|
|
|
|
; CHECK-LABEL: @identity_bitreverse_v2i32(
|
|
; CHECK-NEXT: ret <2 x i32> %p
|
|
define <2 x i32> @identity_bitreverse_v2i32(<2 x i32> %p) {
|
|
%a = call <2 x i32> @llvm.bitreverse.v2i32(<2 x i32> %p)
|
|
%b = call <2 x i32> @llvm.bitreverse.v2i32(<2 x i32> %a)
|
|
ret <2 x i32> %b
|
|
}
|
|
|
|
; CHECK-LABEL: @reverse_0_i32(
|
|
; CHECK-NEXT: ret i32 0
|
|
define i32 @reverse_0_i32() {
|
|
%x = call i32 @llvm.bitreverse.i32(i32 0)
|
|
ret i32 %x
|
|
}
|
|
|
|
; CHECK-LABEL: @reverse_1_i32(
|
|
; CHECK-NEXT: ret i32 -2147483648
|
|
define i32 @reverse_1_i32() {
|
|
%x = call i32 @llvm.bitreverse.i32(i32 1)
|
|
ret i32 %x
|
|
}
|
|
|
|
; CHECK-LABEL: @reverse_neg1_i32(
|
|
; CHECK-NEXT: ret i32 -1
|
|
define i32 @reverse_neg1_i32() {
|
|
%x = call i32 @llvm.bitreverse.i32(i32 -1)
|
|
ret i32 %x
|
|
}
|
|
|
|
; CHECK-LABEL: @reverse_false_i1(
|
|
; CHECK-NEXT: ret i1 false
|
|
define i1 @reverse_false_i1() {
|
|
%x = call i1 @llvm.bitreverse.i1(i1 false)
|
|
ret i1 %x
|
|
}
|
|
|
|
; CHECK-LABEL: @reverse_true_i1(
|
|
; CHECK-NEXT: ret i1 true
|
|
define i1 @reverse_true_i1() {
|
|
%x = call i1 @llvm.bitreverse.i1(i1 true)
|
|
ret i1 %x
|
|
}
|
|
|
|
; CHECK-LABEL: @reverse_false_v2i1(
|
|
; CHECK-NEXT: ret <2 x i1> zeroinitializer
|
|
define <2 x i1> @reverse_false_v2i1() {
|
|
%x = call <2 x i1> @llvm.bitreverse.v2i1(<2 x i1> zeroinitializer)
|
|
ret <2 x i1> %x
|
|
}
|
|
|
|
; CHECK-LABEL: @reverse_true_v2i1(
|
|
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
|
|
define <2 x i1> @reverse_true_v2i1() {
|
|
%x = call <2 x i1> @llvm.bitreverse.v2i1(<2 x i1> <i1 true, i1 true>)
|
|
ret <2 x i1> %x
|
|
}
|
|
|
|
; CHECK-LABEL: @bitreverse_920_1234_v2i32(
|
|
; CHECK-NEXT: ret <2 x i32> <i32 432013312, i32 1260388352>
|
|
define <2 x i32> @bitreverse_920_1234_v2i32() {
|
|
%x = call <2 x i32> @llvm.bitreverse.v2i32(<2 x i32> <i32 920, i32 1234>)
|
|
ret <2 x i32> %x
|
|
}
|
|
|
|
; CHECK-LABEL: @reverse_100_i3(
|
|
; CHECK-NEXT: ret i3 1
|
|
define i3 @reverse_100_i3() {
|
|
%x = call i3 @llvm.bitreverse.i3(i3 100)
|
|
ret i3 %x
|
|
}
|
|
|
|
; CHECK-LABEL: @reverse_6_3_v2i3(
|
|
; CHECK-NEXT: ret <2 x i3> <i3 3, i3 -2>
|
|
define <2 x i3> @reverse_6_3_v2i3() {
|
|
%x = call <2 x i3> @llvm.bitreverse.v2i3(<2 x i3> <i3 6, i3 3>)
|
|
ret <2 x i3> %x
|
|
}
|
|
|
|
declare i1 @llvm.bitreverse.i1(i1) readnone
|
|
declare <2 x i1> @llvm.bitreverse.v2i1(<2 x i1>) readnone
|
|
|
|
declare i3 @llvm.bitreverse.i3(i3) readnone
|
|
declare <2 x i3> @llvm.bitreverse.v2i3(<2 x i3>) readnone
|
|
|
|
declare i32 @llvm.bitreverse.i32(i32) readnone
|
|
declare <2 x i32> @llvm.bitreverse.v2i32(<2 x i32>) readnone
|