| ; rdar://7860110 |
| ; RUN: llc -mtriple=x86_64-apple-darwin10.2 -asm-verbose=false < %s | FileCheck %s -check-prefix=X64 |
| ; RUN: llc -mtriple=i686-apple-darwin10.2 -asm-verbose=false -fixup-byte-word-insts=1 < %s | FileCheck %s -check-prefix=X32 -check-prefix=X32-BWON |
| ; RUN: llc -mtriple=i686-apple-darwin10.2 -asm-verbose=false -fixup-byte-word-insts=0 < %s | FileCheck %s -check-prefix=X32 -check-prefix=X32-BWOFF |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| |
| define void @test1(i32* nocapture %a0, i8 zeroext %a1) nounwind ssp { |
| entry: |
| %A = load i32, i32* %a0, align 4 |
| %B = and i32 %A, -256 ; 0xFFFFFF00 |
| %C = zext i8 %a1 to i32 |
| %D = or i32 %C, %B |
| store i32 %D, i32* %a0, align 4 |
| ret void |
| |
| ; X64-LABEL: test1: |
| ; X64: movb %sil, (%rdi) |
| |
| ; X32-LABEL: test1: |
| ; X32: movb 8(%esp), %al |
| ; X32: movb %al, (%{{.*}}) |
| } |
| |
| define void @test2(i32* nocapture %a0, i8 zeroext %a1) nounwind ssp { |
| entry: |
| %A = load i32, i32* %a0, align 4 |
| %B = and i32 %A, -65281 ; 0xFFFF00FF |
| %C = zext i8 %a1 to i32 |
| %CS = shl i32 %C, 8 |
| %D = or i32 %B, %CS |
| store i32 %D, i32* %a0, align 4 |
| ret void |
| ; X64-LABEL: test2: |
| ; X64: movb %sil, 1(%rdi) |
| |
| ; X32-LABEL: test2: |
| ; X32: movb 8(%esp), %[[REG:[abcd]]]l |
| ; X32: movb %[[REG]]l, 1(%{{.*}}) |
| } |
| |
| define void @test3(i32* nocapture %a0, i16 zeroext %a1) nounwind ssp { |
| entry: |
| %A = load i32, i32* %a0, align 4 |
| %B = and i32 %A, -65536 ; 0xFFFF0000 |
| %C = zext i16 %a1 to i32 |
| %D = or i32 %B, %C |
| store i32 %D, i32* %a0, align 4 |
| ret void |
| ; X64-LABEL: test3: |
| ; X64: movw %si, (%rdi) |
| |
| ; X32-LABEL: test3: |
| ; X32-BWON: movzwl 8(%esp), %eax |
| ; X32-BWOFF: movw 8(%esp), %ax |
| ; X32: movw %ax, (%{{.*}}) |
| } |
| |
| define void @test4(i32* nocapture %a0, i16 zeroext %a1) nounwind ssp { |
| entry: |
| %A = load i32, i32* %a0, align 4 |
| %B = and i32 %A, 65535 ; 0x0000FFFF |
| %C = zext i16 %a1 to i32 |
| %CS = shl i32 %C, 16 |
| %D = or i32 %B, %CS |
| store i32 %D, i32* %a0, align 4 |
| ret void |
| ; X64-LABEL: test4: |
| ; X64: movw %si, 2(%rdi) |
| |
| ; X32-LABEL: test4: |
| ; X32-BWON: movzwl 8(%esp), %e[[REG:[abcd]]]x |
| ; X32-BWOFF: movw 8(%esp), %[[REG:[abcd]]]x |
| ; X32: movw %[[REG]]x, 2(%{{.*}}) |
| } |
| |
| define void @test5(i64* nocapture %a0, i16 zeroext %a1) nounwind ssp { |
| entry: |
| %A = load i64, i64* %a0, align 4 |
| %B = and i64 %A, -4294901761 ; 0xFFFFFFFF0000FFFF |
| %C = zext i16 %a1 to i64 |
| %CS = shl i64 %C, 16 |
| %D = or i64 %B, %CS |
| store i64 %D, i64* %a0, align 4 |
| ret void |
| ; X64-LABEL: test5: |
| ; X64: movw %si, 2(%rdi) |
| |
| ; X32-LABEL: test5: |
| ; X32-BWON: movzwl 8(%esp), %e[[REG:[abcd]]]x |
| ; X32-BWOFF: movw 8(%esp), %[[REG:[abcd]]]x |
| ; X32: movw %[[REG]]x, 2(%{{.*}}) |
| } |
| |
| define void @test6(i64* nocapture %a0, i8 zeroext %a1) nounwind ssp { |
| entry: |
| %A = load i64, i64* %a0, align 4 |
| %B = and i64 %A, -280375465082881 ; 0xFFFF00FFFFFFFFFF |
| %C = zext i8 %a1 to i64 |
| %CS = shl i64 %C, 40 |
| %D = or i64 %B, %CS |
| store i64 %D, i64* %a0, align 4 |
| ret void |
| ; X64-LABEL: test6: |
| ; X64: movb %sil, 5(%rdi) |
| |
| |
| ; X32-LABEL: test6: |
| ; X32: movb 8(%esp), %[[REG:[abcd]l]] |
| ; X32: movb %[[REG]], 5(%{{.*}}) |
| } |
| |
| define i32 @test7(i64* nocapture %a0, i8 zeroext %a1, i32* %P2) nounwind { |
| entry: |
| %OtherLoad = load i32 , i32 *%P2 |
| %A = load i64, i64* %a0, align 4 |
| %B = and i64 %A, -280375465082881 ; 0xFFFF00FFFFFFFFFF |
| %C = zext i8 %a1 to i64 |
| %CS = shl i64 %C, 40 |
| %D = or i64 %B, %CS |
| store i64 %D, i64* %a0, align 4 |
| ret i32 %OtherLoad |
| ; X64-LABEL: test7: |
| ; X64: movb %sil, 5(%rdi) |
| |
| |
| ; X32-LABEL: test7: |
| ; X32: movb 8(%esp), %[[REG:[abcd]l]] |
| ; X32: movb %[[REG]], 5(%{{.*}}) |
| } |
| |
| ; PR7833 |
| |
| @g_16 = internal global i32 -1 |
| |
| ; X64-LABEL: test8: |
| ; X64-NEXT: orb $1, _g_16(%rip) |
| ; X64-NEXT: ret |
| define void @test8() nounwind { |
| %tmp = load i32, i32* @g_16 |
| store i32 0, i32* @g_16 |
| %or = or i32 %tmp, 1 |
| store i32 %or, i32* @g_16 |
| ret void |
| } |
| |
| ; X64-LABEL: test9: |
| ; X64-NEXT: orb $1, _g_16(%rip) |
| ; X64-NEXT: ret |
| define void @test9() nounwind { |
| %tmp = load i32, i32* @g_16 |
| %or = or i32 %tmp, 1 |
| store i32 %or, i32* @g_16 |
| ret void |
| } |
| |
| ; rdar://8494845 + PR8244 |
| ; X64-LABEL: test10: |
| ; X64-NEXT: movsbl (%rdi), %eax |
| ; X64-NEXT: shrl $8, %eax |
| ; X64-NEXT: ret |
| define i8 @test10(i8* %P) nounwind ssp { |
| entry: |
| %tmp = load i8, i8* %P, align 1 |
| %conv = sext i8 %tmp to i32 |
| %shr3 = lshr i32 %conv, 8 |
| %conv2 = trunc i32 %shr3 to i8 |
| ret i8 %conv2 |
| } |