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Imported Upstream version 6.0.0.172
Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
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external/llvm/test/CodeGen/ARM/stackpointer.ll
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25
external/llvm/test/CodeGen/ARM/stackpointer.ll
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; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s
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; RUN: llc < %s -mtriple=arm-linux-gnueabi | FileCheck %s
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define i32 @get_stack() nounwind {
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entry:
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; CHECK-LABEL: get_stack:
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; CHECK: mov r0, sp
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%sp = call i32 @llvm.read_register.i32(metadata !0)
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ret i32 %sp
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}
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define void @set_stack(i32 %val) nounwind {
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entry:
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; CHECK-LABEL: set_stack:
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; CHECK: mov sp, r0
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call void @llvm.write_register.i32(metadata !0, i32 %val)
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ret void
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}
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declare i32 @llvm.read_register.i32(metadata) nounwind
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declare void @llvm.write_register.i32(metadata, i32) nounwind
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; register unsigned long current_stack_pointer asm("sp");
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; CHECK-NOT: .asciz "sp"
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!0 = !{!"sp\00"}
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