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2a8d3d1229
1. The available program storage region of the red zone to compilers is 288 bytes rather than 244 bytes. 2. The formula for negative number alignment calculation should be y = x & ~(n-1) rather than y = (x + (n-1)) & ~(n-1). Differential Revision: https://reviews.llvm.org/D34337 llvm-svn: 307672
40 lines
867 B
LLVM
40 lines
867 B
LLVM
; RUN: llc -verify-machineinstrs -mtriple="powerpc-unknown-linux-gnu" < %s | FileCheck %s --check-prefix=PPC32
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; RUN: llc -verify-machineinstrs -mtriple="powerpc64-unknown-linux-gnu" < %s | FileCheck %s --check-prefix=PPC64
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; PR15332
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define i32 @regalloc() nounwind {
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entry:
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%0 = add i32 1, 2
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ret i32 %0
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}
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; PPC32-LABEL: regalloc:
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; PPC32-NOT: stwu 1, -{{[0-9]+}}(1)
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; PPC32: blr
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; PPC64-LABEL: regalloc:
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; PPC64-NOT: stdu 1, -{{[0-9]+}}(1)
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; PPC64: blr
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define i8* @smallstack() nounwind {
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entry:
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%0 = alloca i8, i32 4
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ret i8* %0
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}
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; PPC32-LABEL: smallstack:
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; PPC32: stwu 1, -16(1)
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; PPC64-LABEL: smallstack:
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; PPC64-NOT: stdu 1, -{{[0-9]+}}(1)
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; PPC64: blr
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define i8* @bigstack() nounwind {
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entry:
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%0 = alloca i8, i32 290
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ret i8* %0
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}
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; PPC32-LABEL: bigstack:
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; PPC32: stwu 1, -304(1)
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; PPC64-LABEL: bigstack:
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; PPC64: stdu 1, -352(1)
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