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169 lines
3.8 KiB
LLVM
169 lines
3.8 KiB
LLVM
; rdar://7860110
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; RUN: llc -asm-verbose=false < %s | FileCheck %s -check-prefix=X64
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; RUN: llc -march=x86 -asm-verbose=false < %s | FileCheck %s -check-prefix=X32
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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"
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target triple = "x86_64-apple-darwin10.2"
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define void @test1(i32* nocapture %a0, i8 zeroext %a1) nounwind ssp {
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entry:
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%A = load i32* %a0, align 4
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%B = and i32 %A, -256 ; 0xFFFFFF00
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%C = zext i8 %a1 to i32
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%D = or i32 %C, %B
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store i32 %D, i32* %a0, align 4
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ret void
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; X64: test1:
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; X64: movb %sil, (%rdi)
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; X32: test1:
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; X32: movb 8(%esp), %al
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; X32: movb %al, (%{{.*}})
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}
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define void @test2(i32* nocapture %a0, i8 zeroext %a1) nounwind ssp {
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entry:
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%A = load i32* %a0, align 4
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%B = and i32 %A, -65281 ; 0xFFFF00FF
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%C = zext i8 %a1 to i32
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%CS = shl i32 %C, 8
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%D = or i32 %B, %CS
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store i32 %D, i32* %a0, align 4
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ret void
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; X64: test2:
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; X64: movb %sil, 1(%rdi)
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; X32: test2:
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; X32: movb 8(%esp), %al
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; X32: movb %al, 1(%{{.*}})
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}
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define void @test3(i32* nocapture %a0, i16 zeroext %a1) nounwind ssp {
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entry:
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%A = load i32* %a0, align 4
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%B = and i32 %A, -65536 ; 0xFFFF0000
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%C = zext i16 %a1 to i32
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%D = or i32 %B, %C
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store i32 %D, i32* %a0, align 4
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ret void
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; X64: test3:
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; X64: movw %si, (%rdi)
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; X32: test3:
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; X32: movw 8(%esp), %ax
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; X32: movw %ax, (%{{.*}})
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}
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define void @test4(i32* nocapture %a0, i16 zeroext %a1) nounwind ssp {
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entry:
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%A = load i32* %a0, align 4
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%B = and i32 %A, 65535 ; 0x0000FFFF
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%C = zext i16 %a1 to i32
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%CS = shl i32 %C, 16
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%D = or i32 %B, %CS
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store i32 %D, i32* %a0, align 4
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ret void
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; X64: test4:
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; X64: movw %si, 2(%rdi)
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; X32: test4:
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; X32: movl 8(%esp), %eax
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; X32: movw %ax, 2(%{{.*}})
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}
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define void @test5(i64* nocapture %a0, i16 zeroext %a1) nounwind ssp {
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entry:
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%A = load i64* %a0, align 4
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%B = and i64 %A, -4294901761 ; 0xFFFFFFFF0000FFFF
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%C = zext i16 %a1 to i64
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%CS = shl i64 %C, 16
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%D = or i64 %B, %CS
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store i64 %D, i64* %a0, align 4
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ret void
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; X64: test5:
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; X64: movw %si, 2(%rdi)
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; X32: test5:
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; X32: movzwl 8(%esp), %eax
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; X32: movw %ax, 2(%{{.*}})
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}
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define void @test6(i64* nocapture %a0, i8 zeroext %a1) nounwind ssp {
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entry:
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%A = load i64* %a0, align 4
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%B = and i64 %A, -280375465082881 ; 0xFFFF00FFFFFFFFFF
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%C = zext i8 %a1 to i64
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%CS = shl i64 %C, 40
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%D = or i64 %B, %CS
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store i64 %D, i64* %a0, align 4
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ret void
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; X64: test6:
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; X64: movb %sil, 5(%rdi)
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; X32: test6:
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; X32: movb 8(%esp), %al
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; X32: movb %al, 5(%{{.*}})
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}
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define i32 @test7(i64* nocapture %a0, i8 zeroext %a1, i32* %P2) nounwind {
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entry:
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%OtherLoad = load i32 *%P2
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%A = load i64* %a0, align 4
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%B = and i64 %A, -280375465082881 ; 0xFFFF00FFFFFFFFFF
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%C = zext i8 %a1 to i64
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%CS = shl i64 %C, 40
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%D = or i64 %B, %CS
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store i64 %D, i64* %a0, align 4
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ret i32 %OtherLoad
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; X64: test7:
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; X64: movb %sil, 5(%rdi)
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; X32: test7:
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; X32: movb 8(%esp), %cl
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; X32: movb %cl, 5(%{{.*}})
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}
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; PR7833
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@g_16 = internal global i32 -1
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; X64: test8:
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; X64-NEXT: movl _g_16(%rip), %eax
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; X64-NEXT: movl $0, _g_16(%rip)
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; X64-NEXT: orl $1, %eax
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; X64-NEXT: movl %eax, _g_16(%rip)
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; X64-NEXT: ret
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define void @test8() nounwind {
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%tmp = load i32* @g_16
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store i32 0, i32* @g_16
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%or = or i32 %tmp, 1
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store i32 %or, i32* @g_16
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ret void
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}
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; X64: test9:
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; X64-NEXT: orb $1, _g_16(%rip)
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; X64-NEXT: ret
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define void @test9() nounwind {
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%tmp = load i32* @g_16
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%or = or i32 %tmp, 1
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store i32 %or, i32* @g_16
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ret void
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}
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; rdar://8494845 + PR8244
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; X64: test10:
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; X64-NEXT: movsbl (%rdi), %eax
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; X64-NEXT: shrl $8, %eax
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; X64-NEXT: ret
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define i8 @test10(i8* %P) nounwind ssp {
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entry:
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%tmp = load i8* %P, align 1
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%conv = sext i8 %tmp to i32
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%shr3 = lshr i32 %conv, 8
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%conv2 = trunc i32 %shr3 to i8
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ret i8 %conv2
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}
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