43 lines
1.4 KiB
LLVM
43 lines
1.4 KiB
LLVM
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; RUN: llc -mcpu=pwr7 -mattr=-altivec -verify-machineinstrs \
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; RUN: -mtriple=powerpc-unknown-aix < %s | FileCheck %s --check-prefix 32BIT
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; RUN: llc -mcpu=pwr7 -mattr=-altivec -verify-machineinstrs \
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; RUN: -mtriple=powerpc64-unknown-aix < %s | FileCheck %s --check-prefix 64BIT
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; Use an overaligned buffer to force base-pointer usage. Test verifies:
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; - base pointer register (r30) is saved/defined/restored.
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; - stack frame is allocated with correct alignment.
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; - Address of %AlignedBuffer is calculated based off offset from the stack
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; pointer.
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define float @caller(float %f) {
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%AlignedBuffer = alloca [32 x i32], align 32
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%Pointer = getelementptr inbounds [32 x i32], [32 x i32]* %AlignedBuffer, i64 0, i64 0
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call void @callee(i32* %Pointer)
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ret float %f
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}
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declare void @callee(i32*)
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; 32BIT-LABEL: .caller:
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; 32BIT: stw 30, -16(1)
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; 32BIT: mr 30, 1
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; 32BIT: clrlwi 0, 1, 27
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; 32BIT: subfic 0, 0, -224
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; 32BIT: stwux 1, 1, 0
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; 32BIT: addi 3, 1, 64
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; 32BIT: bl .callee
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; 32BIT: mr 1, 30
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; 32BIT: lwz 30, -16(1)
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; 64BIT-LABEL: .caller:
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; 64BIT: std 30, -24(1)
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; 64BIT: mr 30, 1
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; 64BIT: clrldi 0, 1, 59
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; 64BIT: subfic 0, 0, -288
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; 64BIT: stdux 1, 1, 0
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; 64BIT: addi 3, 1, 128
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; 64BIT: bl .callee
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; 64BIT: mr 1, 30
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; 64BIT: ld 30, -24(1)
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