82 lines
2.7 KiB
LLVM
82 lines
2.7 KiB
LLVM
; RUN: llc < %s -asm-verbose=false | FileCheck %s
|
|
; RUN: llc < %s -asm-verbose=false -fast-isel | FileCheck %s
|
|
|
|
|
|
target datalayout = "e-p:32:32-i64:64-n32:64-S128"
|
|
target triple = "wasm32-unknown-unknown"
|
|
|
|
; CHECK-LABEL: alloca32:
|
|
; Check that there is an extra local for the stack pointer.
|
|
; CHECK: .local i32, i32, i32, i32{{$}}
|
|
define void @alloca32() {
|
|
; CHECK: i32.const [[L1:.+]]=, __stack_pointer
|
|
; CHECK-NEXT: i32.load [[L1]]=, 0([[L1]])
|
|
; CHECK-NEXT: i32.const [[L2:.+]]=, 16
|
|
; CHECK-NEXT: i32.sub [[SP:.+]]=, [[L1]], [[L2]]
|
|
%retval = alloca i32
|
|
; CHECK: i32.const $push[[L3:.+]]=, 0
|
|
; CHECK: i32.store {{.*}}=, 12([[SP]]), $pop[[L3]]
|
|
store i32 0, i32* %retval
|
|
; CHECK: i32.const [[L4:.+]]=, 16
|
|
; CHECK-NEXT: i32.add [[SP]]=, [[SP]], [[L4]]
|
|
; CHECK-NEXT: i32.const [[L5:.+]]=, __stack_pointer
|
|
; CHECK-NEXT: i32.store [[SP]]=, 0([[L5]]), [[SP]]
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: alloca3264:
|
|
; CHECK: .local i32, i32, i32, i32{{$}}
|
|
define void @alloca3264() {
|
|
; CHECK: i32.const [[L1:.+]]=, __stack_pointer
|
|
; CHECK-NEXT: i32.load [[L1]]=, 0([[L1]])
|
|
; CHECK-NEXT: i32.const [[L2:.+]]=, 16
|
|
; CHECK-NEXT: i32.sub [[SP:.+]]=, [[L1]], [[L2]]
|
|
%r1 = alloca i32
|
|
%r2 = alloca double
|
|
; CHECK: i32.const $push[[L3:.+]]=, 0
|
|
; CHECK: i32.store {{.*}}=, 12([[SP]]), $pop[[L3]]
|
|
store i32 0, i32* %r1
|
|
; CHECK: i64.const $push[[L4:.+]]=, 0
|
|
; CHECK: i64.store {{.*}}=, 0([[SP]]), $pop[[L4]]
|
|
store double 0.0, double* %r2
|
|
; CHECK: i32.const [[L4:.+]]=, 16
|
|
; CHECK-NEXT: i32.add [[SP]]=, [[SP]], [[L4]]
|
|
; CHECK-NEXT: i32.const [[L5:.+]]=, __stack_pointer
|
|
; CHECK-NEXT: i32.store [[SP]]=, 0([[L5]]), [[SP]]
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: allocarray:
|
|
; CHECK: .local i32, i32, i32, i32, i32, i32{{$}}
|
|
define void @allocarray() {
|
|
; CHECK: i32.const [[L1:.+]]=, __stack_pointer
|
|
; CHECK-NEXT: i32.load [[L1]]=, 0([[L1]])
|
|
; CHECK-NEXT: i32.const [[L2:.+]]=, 32
|
|
; CHECK-NEXT: i32.sub [[SP:.+]]=, [[L1]], [[L2]]
|
|
%r = alloca [5 x i32]
|
|
; CHECK: i32.const $push[[L3:.+]]=, 1
|
|
; CHECK: i32.store {{.*}}=, 12([[SP]]), $pop[[L3]]
|
|
%p = getelementptr [5 x i32], [5 x i32]* %r, i32 0, i32 0
|
|
store i32 1, i32* %p
|
|
; CHECK: i32.const $push[[L4:.+]]=, 4
|
|
; CHECK: i32.const [[L5:.+]]=, 12
|
|
; CHECK: i32.add [[L5]]=, [[SP]], [[L5]]
|
|
; CHECK: i32.add $push[[L6:.+]]=, [[L5]], $pop[[L4]]
|
|
; CHECK: i32.store {{.*}}=, 0($pop[[L6]]), ${{.+}}
|
|
%p2 = getelementptr [5 x i32], [5 x i32]* %r, i32 0, i32 1
|
|
store i32 1, i32* %p2
|
|
; CHECK: i32.const [[L7:.+]]=, 32
|
|
; CHECK-NEXT: i32.add [[SP]]=, [[SP]], [[L7]]
|
|
; CHECK-NEXT: i32.const [[L8:.+]]=, __stack_pointer
|
|
; CHECK-NEXT: i32.store [[SP]]=, 0([[L7]]), [[SP]]
|
|
ret void
|
|
}
|
|
|
|
define void @dynamic_alloca(i32 %alloc) {
|
|
; TODO: Support frame pointers
|
|
;%r = alloca i32, i32 %alloc
|
|
;store i32 0, i32* %r
|
|
ret void
|
|
}
|
|
; TODO: test aligned alloc
|