llvm-project/llvm/test/CodeGen/ARM/alloc-no-stack-realign.ll

78 lines
3.3 KiB
LLVM

; RUN: llc < %s -mtriple=armv7-apple-ios -O0 | FileCheck %s -check-prefix=NO-REALIGN
; RUN: llc < %s -mtriple=armv7-apple-ios -O0 | FileCheck %s -check-prefix=REALIGN
; rdar://12713765
; When realign-stack is set to false, make sure we are not creating stack
; objects that are assumed to be 64-byte aligned.
@T3_retval = common global <16 x float> zeroinitializer, align 16
define void @test1(<16 x float>* noalias sret %agg.result) nounwind ssp "no-realign-stack" {
entry:
; NO-REALIGN-LABEL: test1
; NO-REALIGN: vld1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R1:[0-9]+]]:128]
; NO-REALIGN: add r[[R2:[0-9]+]], r[[R1]], #16
; NO-REALIGN: vld1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; NO-REALIGN: add r[[R2:[0-9]+]], r[[R1]], #32
; NO-REALIGN: vld1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; NO-REALIGN: add r[[R2:[0-9]+]], r[[R1]], #48
; NO-REALIGN: vld1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; NO-REALIGN: add r[[R2:[0-9]+]], r[[R1:[0-9]+]], #48
; NO-REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; NO-REALIGN: add r[[R2:[0-9]+]], r[[R1]], #32
; NO-REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; NO-REALIGN: add r[[R2:[0-9]+]], r[[R1]], #16
; NO-REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; NO-REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R1]]:128]
; NO-REALIGN: add r[[R2:[0-9]+]], r[[R0:0]], #48
; NO-REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; NO-REALIGN: add r[[R2:[0-9]+]], r[[R0]], #32
; NO-REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; NO-REALIGN: add r[[R2:[0-9]+]], r[[R1]], #16
; NO-REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; NO-REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R0]]:128]
%retval = alloca <16 x float>, align 16
%0 = load <16 x float>* @T3_retval, align 16
store <16 x float> %0, <16 x float>* %retval
%1 = load <16 x float>* %retval
store <16 x float> %1, <16 x float>* %agg.result, align 16
ret void
}
define void @test2(<16 x float>* noalias sret %agg.result) nounwind ssp {
entry:
; REALIGN-LABEL: test2
; REALIGN: bfc sp, #0, #6
; REALIGN: vld1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R1:[0-9]+]]:128]
; REALIGN: add r[[R2:[0-9]+]], r[[R1]], #16
; REALIGN: vld1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; REALIGN: add r[[R2:[0-9]+]], r[[R1]], #32
; REALIGN: vld1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; REALIGN: add r[[R2:[0-9]+]], r[[R1]], #48
; REALIGN: vld1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; REALIGN: orr r[[R2:[0-9]+]], r[[R1:[0-9]+]], #48
; REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; REALIGN: orr r[[R2:[0-9]+]], r[[R1]], #32
; REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; REALIGN: orr r[[R2:[0-9]+]], r[[R1]], #16
; REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R2]]:128]
; REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R1]]:128]
; REALIGN: add r[[R1:[0-9]+]], r[[R0:0]], #48
; REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R1]]:128]
; REALIGN: add r[[R1:[0-9]+]], r[[R0]], #32
; REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R1]]:128]
; REALIGN: add r[[R1:[0-9]+]], r[[R0]], #16
; REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R1]]:128]
; REALIGN: vst1.64 {{{d[0-9]+, d[0-9]+}}}, [r[[R0]]:128]
%retval = alloca <16 x float>, align 16
%0 = load <16 x float>* @T3_retval, align 16
store <16 x float> %0, <16 x float>* %retval
%1 = load <16 x float>* %retval
store <16 x float> %1, <16 x float>* %agg.result, align 16
ret void
}