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; RUN: llc -verify-machineinstrs < %s -mtriple=armv4t | FileCheck %s -check-prefix=CHECK-v4A32
; RUN: llc -verify-machineinstrs < %s -mtriple=armv7a | FileCheck %s -check-prefix=CHECK-v7A32
; RUN: llc -verify-machineinstrs < %s -mtriple=thumbv7a | FileCheck %s -check-prefix=CHECK-THUMB2
; FIXME: There are no tests for Thumb1 since dynamic stack alignment is not supported for
; Thumb1.
define i32 @f_bic_can_be_used_align() nounwind {
entry:
; CHECK-LABEL: f_bic_can_be_used_align:
; CHECK-v7A32: bfc sp, #0, #8
; CHECK-v4A32: bic sp, sp, #255
; CHECK-THUMB2: mov r4, sp
; CHECK-THUMB2-NEXT: bfc r4, #0, #8
; CHECK-THUMB2-NEXT: mov sp, r4
%x = alloca i32, align 256
store volatile i32 0, ptr %x, align 256
ret i32 0
}
define i32 @f_too_large_for_bic_align() nounwind {
entry:
; CHECK-LABEL: f_too_large_for_bic_align:
; CHECK-v7A32: bfc sp, #0, #9
; CHECK-v4A32: lsr sp, sp, #9
; CHECK-v4A32: lsl sp, sp, #9
; CHECK-THUMB2: mov r4, sp
; CHECK-THUMB2-NEXT: bfc r4, #0, #9
; CHECK-THUMB2-NEXT: mov sp, r4
%x = alloca i32, align 512
store volatile i32 0, ptr %x, align 512
ret i32 0
}
define ptr @f_alignedDPRCS2Spills(ptr %d) #0 {
entry:
; CHECK-LABEL: f_too_large_for_bic_align:
; CHECK-v7A32: bfc sp, #0, #12
; CHECK-v4A32: lsr sp, sp, #12
; CHECK-v4A32: lsl sp, sp, #12
; CHECK-THUMB2: bfc r4, #0, #12
; CHECK-THUMB2-NEXT: mov sp, r4
%a = alloca i8, align 4096
%0 = load double, ptr %d, align 4
%arrayidx1 = getelementptr inbounds double, ptr %d, i32 1
%1 = load double, ptr %arrayidx1, align 4
%arrayidx2 = getelementptr inbounds double, ptr %d, i32 2
%2 = load double, ptr %arrayidx2, align 4
%arrayidx3 = getelementptr inbounds double, ptr %d, i32 3
%3 = load double, ptr %arrayidx3, align 4
%arrayidx4 = getelementptr inbounds double, ptr %d, i32 4
%4 = load double, ptr %arrayidx4, align 4
%arrayidx5 = getelementptr inbounds double, ptr %d, i32 5
%5 = load double, ptr %arrayidx5, align 4
%arrayidx6 = getelementptr inbounds double, ptr %d, i32 6
%6 = load double, ptr %arrayidx6, align 4
%arrayidx7 = getelementptr inbounds double, ptr %d, i32 7
%7 = load double, ptr %arrayidx7, align 4
%arrayidx8 = getelementptr inbounds double, ptr %d, i32 8
%8 = load double, ptr %arrayidx8, align 4
%arrayidx9 = getelementptr inbounds double, ptr %d, i32 9
%9 = load double, ptr %arrayidx9, align 4
%arrayidx10 = getelementptr inbounds double, ptr %d, i32 10
%10 = load double, ptr %arrayidx10, align 4
%arrayidx11 = getelementptr inbounds double, ptr %d, i32 11
%11 = load double, ptr %arrayidx11, align 4
%arrayidx12 = getelementptr inbounds double, ptr %d, i32 12
%12 = load double, ptr %arrayidx12, align 4
%arrayidx13 = getelementptr inbounds double, ptr %d, i32 13
%13 = load double, ptr %arrayidx13, align 4
%arrayidx14 = getelementptr inbounds double, ptr %d, i32 14
%14 = load double, ptr %arrayidx14, align 4
%arrayidx15 = getelementptr inbounds double, ptr %d, i32 15
%15 = load double, ptr %arrayidx15, align 4
%arrayidx16 = getelementptr inbounds double, ptr %d, i32 16
%16 = load double, ptr %arrayidx16, align 4
%arrayidx17 = getelementptr inbounds double, ptr %d, i32 17
%17 = load double, ptr %arrayidx17, align 4
%arrayidx18 = getelementptr inbounds double, ptr %d, i32 18
%18 = load double, ptr %arrayidx18, align 4
%arrayidx19 = getelementptr inbounds double, ptr %d, i32 19
%19 = load double, ptr %arrayidx19, align 4
%arrayidx20 = getelementptr inbounds double, ptr %d, i32 20
%20 = load double, ptr %arrayidx20, align 4
%arrayidx21 = getelementptr inbounds double, ptr %d, i32 21
%21 = load double, ptr %arrayidx21, align 4
%arrayidx22 = getelementptr inbounds double, ptr %d, i32 22
%22 = load double, ptr %arrayidx22, align 4
%arrayidx23 = getelementptr inbounds double, ptr %d, i32 23
%23 = load double, ptr %arrayidx23, align 4
%arrayidx24 = getelementptr inbounds double, ptr %d, i32 24
%24 = load double, ptr %arrayidx24, align 4
%arrayidx25 = getelementptr inbounds double, ptr %d, i32 25
%25 = load double, ptr %arrayidx25, align 4
%arrayidx26 = getelementptr inbounds double, ptr %d, i32 26
%26 = load double, ptr %arrayidx26, align 4
%arrayidx27 = getelementptr inbounds double, ptr %d, i32 27
%27 = load double, ptr %arrayidx27, align 4
%arrayidx28 = getelementptr inbounds double, ptr %d, i32 28
%28 = load double, ptr %arrayidx28, align 4
%arrayidx29 = getelementptr inbounds double, ptr %d, i32 29
%29 = load double, ptr %arrayidx29, align 4
%div = fdiv double %29, %28
%div30 = fdiv double %div, %27
%div31 = fdiv double %div30, %26
%div32 = fdiv double %div31, %25
%div33 = fdiv double %div32, %24
%div34 = fdiv double %div33, %23
%div35 = fdiv double %div34, %22
%div36 = fdiv double %div35, %21
%div37 = fdiv double %div36, %20
%div38 = fdiv double %div37, %19
%div39 = fdiv double %div38, %18
%div40 = fdiv double %div39, %17
%div41 = fdiv double %div40, %16
%div42 = fdiv double %div41, %15
%div43 = fdiv double %div42, %14
%div44 = fdiv double %div43, %13
%div45 = fdiv double %div44, %12
%div46 = fdiv double %div45, %11
%div47 = fdiv double %div46, %10
%div48 = fdiv double %div47, %9
%div49 = fdiv double %div48, %8
%div50 = fdiv double %div49, %7
%div51 = fdiv double %div50, %6
%div52 = fdiv double %div51, %5
%div53 = fdiv double %div52, %4
%div54 = fdiv double %div53, %3
%div55 = fdiv double %div54, %2
%div56 = fdiv double %div55, %1
%div57 = fdiv double %div56, %0
%div58 = fdiv double %0, %1
%div59 = fdiv double %div58, %2
%div60 = fdiv double %div59, %3
%div61 = fdiv double %div60, %4
%div62 = fdiv double %div61, %5
%div63 = fdiv double %div62, %6
%div64 = fdiv double %div63, %7
%div65 = fdiv double %div64, %8
%div66 = fdiv double %div65, %9
%div67 = fdiv double %div66, %10
%div68 = fdiv double %div67, %11
%div69 = fdiv double %div68, %12
%div70 = fdiv double %div69, %13
%div71 = fdiv double %div70, %14
%div72 = fdiv double %div71, %15
%div73 = fdiv double %div72, %16
%div74 = fdiv double %div73, %17
%div75 = fdiv double %div74, %18
%div76 = fdiv double %div75, %19
%div77 = fdiv double %div76, %20
%div78 = fdiv double %div77, %21
%div79 = fdiv double %div78, %22
%div80 = fdiv double %div79, %23
%div81 = fdiv double %div80, %24
%div82 = fdiv double %div81, %25
%div83 = fdiv double %div82, %26
%div84 = fdiv double %div83, %27
%div85 = fdiv double %div84, %28
%div86 = fdiv double %div85, %29
%mul = fmul double %div57, %div86
%conv = fptosi double %mul to i32
%add.ptr = getelementptr inbounds i8, ptr %a, i32 %conv
ret ptr %add.ptr
}
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