forked from OSchip/llvm-project
49 lines
2.1 KiB
LLVM
49 lines
2.1 KiB
LLVM
; RUN: llc -mtriple=aarch64 -global-isel %s -o - -stop-after=irtranslator | FileCheck %s
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; CHECK-LABEL: name: test_simple_alloca
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; CHECK: [[NUMELTS:%[0-9]+]]:_(s32) = COPY $w0
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; CHECK: [[TYPE_SIZE:%[0-9]+]]:_(s64) = G_CONSTANT i64 -1
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; CHECK: [[NUMELTS_64:%[0-9]+]]:_(s64) = G_ZEXT [[NUMELTS]](s32)
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; CHECK: [[NUMBYTES:%[0-9]+]]:_(s64) = G_MUL [[NUMELTS_64]], [[TYPE_SIZE]]
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; CHECK: [[SP_TMP:%[0-9]+]]:_(p0) = COPY $sp
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; CHECK: [[ALLOC:%[0-9]+]]:_(p0) = G_GEP [[SP_TMP]], [[NUMBYTES]]
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; CHECK: [[ALIGNED_ALLOC:%[0-9]+]]:_(p0) = G_PTR_MASK [[ALLOC]], 4
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; CHECK: $sp = COPY [[ALIGNED_ALLOC]]
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; CHECK: [[ALLOC:%[0-9]+]]:_(p0) = COPY [[ALIGNED_ALLOC]]
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; CHECK: $x0 = COPY [[ALLOC]]
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define i8* @test_simple_alloca(i32 %numelts) {
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%addr = alloca i8, i32 %numelts
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ret i8* %addr
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}
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; CHECK-LABEL: name: test_aligned_alloca
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; CHECK: [[NUMELTS:%[0-9]+]]:_(s32) = COPY $w0
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; CHECK: [[TYPE_SIZE:%[0-9]+]]:_(s64) = G_CONSTANT i64 -1
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; CHECK: [[NUMELTS_64:%[0-9]+]]:_(s64) = G_ZEXT [[NUMELTS]](s32)
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; CHECK: [[NUMBYTES:%[0-9]+]]:_(s64) = G_MUL [[NUMELTS_64]], [[TYPE_SIZE]]
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; CHECK: [[SP_TMP:%[0-9]+]]:_(p0) = COPY $sp
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; CHECK: [[ALLOC:%[0-9]+]]:_(p0) = G_GEP [[SP_TMP]], [[NUMBYTES]]
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; CHECK: [[ALIGNED_ALLOC:%[0-9]+]]:_(p0) = G_PTR_MASK [[ALLOC]], 5
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; CHECK: $sp = COPY [[ALIGNED_ALLOC]]
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; CHECK: [[ALLOC:%[0-9]+]]:_(p0) = COPY [[ALIGNED_ALLOC]]
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; CHECK: $x0 = COPY [[ALLOC]]
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define i8* @test_aligned_alloca(i32 %numelts) {
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%addr = alloca i8, i32 %numelts, align 32
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ret i8* %addr
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}
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; CHECK-LABEL: name: test_natural_alloca
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; CHECK: [[NUMELTS:%[0-9]+]]:_(s32) = COPY $w0
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; CHECK: [[TYPE_SIZE:%[0-9]+]]:_(s64) = G_CONSTANT i64 -16
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; CHECK: [[NUMELTS_64:%[0-9]+]]:_(s64) = G_ZEXT [[NUMELTS]](s32)
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; CHECK: [[NUMBYTES:%[0-9]+]]:_(s64) = G_MUL [[NUMELTS_64]], [[TYPE_SIZE]]
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; CHECK: [[SP_TMP:%[0-9]+]]:_(p0) = COPY $sp
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; CHECK: [[ALLOC:%[0-9]+]]:_(p0) = G_GEP [[SP_TMP]], [[NUMBYTES]]
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; CHECK: $sp = COPY [[ALLOC]]
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; CHECK: [[ALLOC_TMP:%[0-9]+]]:_(p0) = COPY [[ALLOC]]
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; CHECK: $x0 = COPY [[ALLOC_TMP]]
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define i128* @test_natural_alloca(i32 %numelts) {
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%addr = alloca i128, i32 %numelts
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ret i128* %addr
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}
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