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68 lines
2.1 KiB
LLVM
68 lines
2.1 KiB
LLVM
; RUN: llc -march=mips -relocation-model=pic < %s \
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; RUN: | FileCheck --check-prefixes=CHECK,EB %s
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; RUN: llc -march=mipsel -relocation-model=pic < %s \
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; RUN: | FileCheck --check-prefixes=CHECK,EL %s
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; Simple memory
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@g1 = external global i32
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define i32 @f1(i32 %x) nounwind {
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entry:
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; CHECK-LABEL: f1:
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; CHECK: #APP
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; CHECK: sw $4, [[OFFSET:[0-9]+]]($sp)
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; CHECK: #NO_APP
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; CHECK: lw $[[T1:[0-9]+]], %got(g1)
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; CHECK: #APP
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; CHECK: lw $[[T3:[0-9]+]], [[OFFSET]]($sp)
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; CHECK: #NO_APP
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; CHECK: sw $[[T3]], 0($[[T1]])
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%l1 = alloca i32, align 4
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call void asm "sw $1, $0", "=*m,r"(i32* %l1, i32 %x) nounwind
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%0 = call i32 asm "lw $0, $1", "=r,*m"(i32* %l1) nounwind
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store i32 %0, i32* @g1, align 4
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ret i32 %0
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}
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; CHECK-LABEL: main:
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; "D": Second word of a double word. This works for any memory element
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; double or single.
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; CHECK: #APP
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; CHECK: lw ${{[0-9]+}}, 16(${{[0-9]+}})
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; CHECK: #NO_APP
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; No "D": First word of a double word. This works for any memory element
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; double or single.
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; CHECK: #APP
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; CHECK: lw ${{[0-9]+}}, 12(${{[0-9]+}})
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; CHECK: #NO_APP
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; "M": High-order word of a double word.
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; CHECK: #APP
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; EB: lw ${{[0-9]+}}, 12(${{[0-9]+}})
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; EL: lw ${{[0-9]+}}, 16(${{[0-9]+}})
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; CHECK: #NO_APP
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; "L": Low-order word of a double word.
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; CHECK: #APP
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; EB: lw ${{[0-9]+}}, 16(${{[0-9]+}})
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; EL: lw ${{[0-9]+}}, 12(${{[0-9]+}})
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; CHECK: #NO_APP
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@b = common global [20 x i32] zeroinitializer, align 4
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define void @main() {
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entry:
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; Second word:
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tail call void asm sideeffect " lw $0, ${1:D}", "r,*m,~{$11}"(i32 undef, i32* getelementptr inbounds ([20 x i32], [20 x i32]* @b, i32 0, i32 3))
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; First word. Notice, no 'D':
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tail call void asm sideeffect " lw $0, ${1}", "r,*m,~{$11}"(i32 undef, i32* getelementptr inbounds ([20 x i32], [20 x i32]* @b, i32 0, i32 3))
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; High-order part.
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tail call void asm sideeffect " lw $0, ${1:M}", "r,*m,~{$11}"(i32 undef, i32* getelementptr inbounds ([20 x i32], [20 x i32]* @b, i32 0, i32 3))
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; Low-order part.
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tail call void asm sideeffect " lw $0, ${1:L}", "r,*m,~{$11}"(i32 undef, i32* getelementptr inbounds ([20 x i32], [20 x i32]* @b, i32 0, i32 3))
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ret void
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}
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