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5440b8eaca
There's no need to generate a stack frame for PPC32 SVR4 when there are no local variables assigned to the stack, i.e., when no red zone is needed. (PPC64 supports a red zone, but PPC32 does not.) llvm-svn: 176124
40 lines
766 B
LLVM
40 lines
766 B
LLVM
; RUN: llc -mtriple="powerpc-unknown-linux-gnu" < %s | FileCheck %s --check-prefix=PPC32
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; RUN: llc -mtriple="powerpc64-unknown-linux-gnu" < %s | FileCheck %s --check-prefix=PPC64
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; PR15332
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define void @regalloc() nounwind {
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entry:
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%0 = add i32 1, 2
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ret void
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}
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; PPC32: regalloc:
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; PPC32-NOT: stwu 1, -{{[0-9]+}}(1)
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; PPC32: blr
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; PPC64: regalloc:
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; PPC64-NOT: stdu 1, -{{[0-9]+}}(1)
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; PPC64: blr
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define void @smallstack() nounwind {
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entry:
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%0 = alloca i8, i32 4
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ret void
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}
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; PPC32: smallstack:
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; PPC32: stwu 1, -16(1)
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; PPC64: smallstack:
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; PPC64-NOT: stdu 1, -{{[0-9]+}}(1)
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; PPC64: blr
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define void @bigstack() nounwind {
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entry:
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%0 = alloca i8, i32 230
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ret void
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}
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; PPC32: bigstack:
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; PPC32: stwu 1, -240(1)
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; PPC64: bigstack:
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; PPC64: stdu 1, -352(1)
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