mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-21 03:53:04 +02:00
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
109 lines
2.4 KiB
LLVM
109 lines
2.4 KiB
LLVM
; Test that we can use XI for byte operations that are expressed as i32
|
|
; or i64 operations.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; Zero extension to 32 bits, negative constant.
|
|
define void @f1(i8 *%ptr) {
|
|
; CHECK: f1:
|
|
; CHECK: xi 0(%r2), 254
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%ext = zext i8 %val to i32
|
|
%xor = xor i32 %ext, -2
|
|
%trunc = trunc i32 %xor to i8
|
|
store i8 %trunc, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Zero extension to 64 bits, negative constant.
|
|
define void @f2(i8 *%ptr) {
|
|
; CHECK: f2:
|
|
; CHECK: xi 0(%r2), 254
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%ext = zext i8 %val to i64
|
|
%xor = xor i64 %ext, -2
|
|
%trunc = trunc i64 %xor to i8
|
|
store i8 %trunc, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Zero extension to 32 bits, positive constant.
|
|
define void @f3(i8 *%ptr) {
|
|
; CHECK: f3:
|
|
; CHECK: xi 0(%r2), 254
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%ext = zext i8 %val to i32
|
|
%xor = xor i32 %ext, 254
|
|
%trunc = trunc i32 %xor to i8
|
|
store i8 %trunc, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Zero extension to 64 bits, positive constant.
|
|
define void @f4(i8 *%ptr) {
|
|
; CHECK: f4:
|
|
; CHECK: xi 0(%r2), 254
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%ext = zext i8 %val to i64
|
|
%xor = xor i64 %ext, 254
|
|
%trunc = trunc i64 %xor to i8
|
|
store i8 %trunc, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Sign extension to 32 bits, negative constant.
|
|
define void @f5(i8 *%ptr) {
|
|
; CHECK: f5:
|
|
; CHECK: xi 0(%r2), 254
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%ext = sext i8 %val to i32
|
|
%xor = xor i32 %ext, -2
|
|
%trunc = trunc i32 %xor to i8
|
|
store i8 %trunc, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Sign extension to 64 bits, negative constant.
|
|
define void @f6(i8 *%ptr) {
|
|
; CHECK: f6:
|
|
; CHECK: xi 0(%r2), 254
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%ext = sext i8 %val to i64
|
|
%xor = xor i64 %ext, -2
|
|
%trunc = trunc i64 %xor to i8
|
|
store i8 %trunc, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Sign extension to 32 bits, positive constant.
|
|
define void @f7(i8 *%ptr) {
|
|
; CHECK: f7:
|
|
; CHECK: xi 0(%r2), 254
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%ext = sext i8 %val to i32
|
|
%xor = xor i32 %ext, 254
|
|
%trunc = trunc i32 %xor to i8
|
|
store i8 %trunc, i8 *%ptr
|
|
ret void
|
|
}
|
|
|
|
; Sign extension to 64 bits, positive constant.
|
|
define void @f8(i8 *%ptr) {
|
|
; CHECK: f8:
|
|
; CHECK: xi 0(%r2), 254
|
|
; CHECK: br %r14
|
|
%val = load i8 *%ptr
|
|
%ext = sext i8 %val to i64
|
|
%xor = xor i64 %ext, 254
|
|
%trunc = trunc i64 %xor to i8
|
|
store i8 %trunc, i8 *%ptr
|
|
ret void
|
|
}
|