mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-24 22:32:47 +00:00
49 lines
1.1 KiB
LLVM
49 lines
1.1 KiB
LLVM
|
; RUN: llc -mcpu=pwr7 < %s | FileCheck %s
|
||
|
|
target datalayout = "E-m:e-i64:64-n32:64"
|
||
|
|
target triple = "powerpc64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
define i32 @test1() #0 {
|
||
|
|
entry:
|
||
|
|
%conv67.reload = load i32* undef
|
||
|
|
%const = bitcast i32 65535 to i32
|
||
|
|
br label %next
|
||
|
|
|
||
|
|
next:
|
||
|
|
%shl161 = shl nuw nsw i32 %conv67.reload, 15
|
||
|
|
%0 = load i8* undef, align 1
|
||
|
|
%conv169 = zext i8 %0 to i32
|
||
|
|
%shl170 = shl nuw nsw i32 %conv169, 7
|
||
|
|
%const_mat = add i32 %const, -32767
|
||
|
|
%shl161.masked = and i32 %shl161, %const_mat
|
||
|
|
%conv174 = or i32 %shl170, %shl161.masked
|
||
|
|
ret i32 %conv174
|
||
|
|
|
||
|
|
; CHECK-LABEL: @test1
|
||
|
|
; CHECK-NOT: rlwimi 3, {{[0-9]+}}, 15, 0, 16
|
||
|
|
; CHECK: blr
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @test2() #0 {
|
||
|
|
entry:
|
||
|
|
%conv67.reload = load i32* undef
|
||
|
|
%const = bitcast i32 65535 to i32
|
||
|
|
br label %next
|
||
|
|
|
||
|
|
next:
|
||
|
|
%shl161 = shl nuw nsw i32 %conv67.reload, 15
|
||
|
|
%0 = load i8* undef, align 1
|
||
|
|
%conv169 = zext i8 %0 to i32
|
||
|
|
%shl170 = shl nuw nsw i32 %conv169, 7
|
||
|
|
%shl161.masked = and i32 %shl161, 32768
|
||
|
|
%conv174 = or i32 %shl170, %shl161.masked
|
||
|
|
ret i32 %conv174
|
||
|
|
|
||
|
|
; CHECK-LABEL: @test2
|
||
|
|
; CHECK: slwi 3, {{[0-9]+}}, 7
|
||
|
|
; CHECK: rlwimi 3, {{[0-9]+}}, 15, 16, 16
|
||
|
|
; CHECK: blr
|
||
|
|
}
|
||
|
|
|
||
|
|
attributes #0 = { nounwind }
|
||
|
|
|